Pumps inventions 05/07

20070122288 - Pressurizing water pump with control valve device: A water pressurizing pump includes an accumulator, a control valve device, a valve device, a pressure switch, and a motor. When the piping system is open and a water pressure in the accumulator is above a value, water flows from the accumulator into the piping system. When the piping system... Agent: Birch Stewart Kolasch & Birch

20070122289 - Electronic control device for a synchronous pump: The invention relates to an electronic driving device (20) for turning on and off a synchronous pump, that is a pump (15) comprising a synchronous electric motor (1) with a permanent-magnet rotor (8), comprising:—at least a static power switch (17) inserted in series between the motor (1) and an AC... Agent: Akerman Senterfitt

20070122290 - Water-lifting pump apparatus and method for controlling operation thereof: There are provided a water-lifting pump apparatus which is free of a discharge valve and a check valve, is low in cost, and is capable of reducing vibration and noise due to a waterfall after the end of water pumping operation, and a method of controlling operation of the water-lifting... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070122291 - Liquid chemical supply system having a plurality of pressure detectors: [Means of solution] A pump 11 has a pump chamber 13 and an operation chamber 14 separated by a diaphragm 12 comprised of a flexible membrane, and performs the intake and discharge of liquid chemical in accordance with the change in pressure inside the operation chamber 14. An electro-pneumatic regulator... Agent: Oliff & Berridge, PLC

20070122292 - Air compressor: An air compressor assembly can include a support structure with a compressor mechanism, at least one fluid tank, a pair of wheels, and a handle attached thereto. The air compressor assembly can be configured with the compressor mechanism having a perpendicular orientation relative to the at least one fluid tank... Agent: Harness, Dickey & Pierce, P.L.C

20070122293 - Motor: A motor includes a heat dissipating structure. The motor may be used for a fan and includes on an upper surface of a circuit board a heat dissipating layer. The heat dissipating layer has a high thermal conductivity. The fan also includes a coil provided on the teeth of a... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20070122294 - Pump: The invention relates to a pump (2) which is constructed to convey coolant in an engine and wherein a tensioning element (4) designed for tensioning a drive member of the engine is integrated. Also integrated in this pump (2) is a closed pump wheel.... Agent: Michael M. Zadrozny Shlesinger, Arkwright & Garvey LLP

20070122295 - Fluid measurement/division device and process: The fluid measurement/division device comprises a plurality of cylinders in which a first and a second piston are slidably inserted to operate alternately as a dosing piston or as a piloting piston for the dosing piston. The first and said second piston present reduced diameter regions which, together with the... Agent: Ladas & Parry

20070122296 - Turbocharger having two-stage compressor with boreless first-stage impeller: A turbocharger with a two-stage compressor having first- and second-stage impellers mounted on a common shaft in a back-to-back configuration. The first-stage impeller has a boreless configuration, defining an unthreaded pilot hole receiving an unthreaded end of the shaft so as to establish a coaxial relationship between the impeller and... Agent: Honeywell Turbo Technologies

20070122297 - Rotary compressor: An object is to solve a problem that the smaller the number of rotations of a rotary compressor is, the more an efficiency decrease of the compressor is generated owing to an increase of a rotary vibration and an efficiency decrease of a motor. In the rotary compressor including, in... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

20070122298 - Electrically driven pump unit: An electrical driven pump unit having two hydraulic pumps and two electric motors that are fitted in such a way as to make it possible to obtain the unit's power by adding together the power of the two motors.... Agent: Ladas & Parry LLP

20070122299 - Valveless micro impedance pump: A valveless micro impedance pump including a bottom layer, a middle layer, a top layer and a piezoelectric element. The middle layer and the top layer are sealed to form the water inlets/outlets, flow way, upper and lower vibration membranes and boss of the micropump. The piezoelectric element is fixed... Agent: Rosenberg, Klein & Lee

20070122300 - Electric fuel pump: To provide an electric fuel pump suitable for marineuse, wherein calcium is not generated at a winding of a motor part and rust is not generated, even when fuel containing sea water is sucked to a pump part, a pump part P is provided at one end of a housing... Agent: Bacon & Thomas, PLLC

20070122301 - Drywall mud pump: An improved capacity mud pump is achieved by lengthening the link between the piston and the pump handle in such a way that each stroke of the handle moves the piston farther, thus transferring more mud per stroke. Reconfiguration of the output aperture of the pump by attaching a high... Agent: Jennings, Strouss & Salmon, P.L.C

20070116577 - Fan system and seriate starting module and delayed starting unit thereof: A fan system for receiving an input voltage from exterior includes a first fan module, a second fan module and a seriate starting module. The seriate starting module is electrically connected with the first fan module and the second fan module. The seriate starting module receives the input voltage and... Agent: Birch Stewart Kolasch & Birch

20070116578 - Control device for a vehicular refrigeration, vehicular variable displacement compressor, and a control valve for the vehicular variable displacement compressor: Provided is a control valve of a vehicular refrigeration circuit, including: an air supply passage for communicating a discharge chamber and a crank chamber with each other; a second rod capable of changing a primary opening which is the degree of opening of the air supply passage; a first bellows... Agent: Woodcock Washburn LLP

20070116579 - Positive-displacement reciprocating compressor: A positive-displacement reciprocating compressor, comprising a plunger slidingly coupled inside a cylinder, in which a compression chamber is obtained, and operatively connected to driving means which put it in motion inside the cylinder. The driving means comprise a motor having the rotation shaft coupled with eccentric means mechanically connected to... Agent: John P. De Luca

20070116580 - Variably operable oil recovery system: A variably operable oil recovery system having a variable motor and reducer in mechanical communication with one another where each shares a common axis of rotation. The reducer receives the drive on a high side where each has the same rotational speed, and the reducer maintains a spooled cable on... Agent: Naman, Howell, Smith & Lee

20070116582 - Compressor mounting bracket and method of making: A mounting bracket for a compressor. The mounting bracket includes a mounting member and an elongate bracing member. The mounting member is secured to the housing of the compressor has a central support section in substantial registry with the housing. The mounting member includes two legs which extend from opposite... Agent: Baker & Daniels LLP 111 E. Wayne Street

20070116581 - Device for retaining a fuel pump in a fuel container: The invention relates to a device which is used to retain a fuel pump (4) in a fuel container (1) of a motor vehicle. The pump holder (5) is completely made of plastic according to an injection moulding method. Retaining means (10, 11) which are used to join the pump... Agent: Mayer, Brown, Rowe & Maw LLP

20070116583 - Fuel supply pump: The present invention provides a fuel supply pump which is suitably used in a booster-type accumulator fuel injection device and a tappet structural body which is suitable for the fuel supply pump. For this end, in a fuel supply pump which includes a plurality of plunger barrels, plungers and tappet... Agent: Arthur G. Schaier Camody & Torrance LLP

20070116584 - Portable dry air compressor system: A portable air compressor assembly comprising a compressor configured to supply pressurized air along a first path at a first pressure. The compressor assembly further comprises at least first and second outlet valves. A first outlet path extends between the first outlet valve and the first path and a second... Agent: Ratnerprestia

20070116585 - Cam driven piston compressor apparatus: A compressor apparatus for compressing fluids includes a compression vessel having a collapsible vessel internal space having an expanded size and a compressed size, the compression vessel having intake structure for passing fluid into the vessel internal space from a fluid source and output structure for passing fluid out of... Agent: Oltman, Flynn & Kubler

20070116586 - Pump for brake system: A pump for a brake system for increasing sealing performance between a piston and a bore as well as motion performance and durability of the piston and facilitating assembling efficiency of the piston. The pump includes a bore formed in a modulator block and connected to a suction port and... Agent: Richard P. Berg C/o Ladas & Parry

20070116587 - Volume-metering pump device: The volume-metering pump device comprises a pump member associated with a manifold member comprising a body containing a manifold chamber having ports providing connections with the pump member, with an admission duct connected to a feed vessel, and with a discharge duct, and in which a manifold control element is... Agent: Birch Stewart Kolasch & Birch

20070116588 - Piston compressor for compressing gaseous media in at least two working chambers: The invention relates to a piston compressor (15) which is used to compress gaseous media and which contains a differential piston (1) provided with a first piston part (16) and a second piston part (17) which are arranged on an axis. Two cylinders (7, 8) having internal holes with different... Agent: Shoemaker And Mattare, Ltd

20070110586 - Sampling apparatus: A sampling apparatus capable of introducing various kinds of samples in a measuring unit in turns securely and simply while avoiding excess sampling and mix of bubbles. In particular, a sampling apparatus constructed so as to introduce a liquid sample in densimeter (1) by means of peristaltic pump (3). Determining... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20070110587 - Control unit for compressor: The present invention includes an inflow quantity regulating means 5 for regulating the inflow quantity of a fuel gas to a compressor 1; a recycle valve 7 for returning the fuel gas discharged from the compressor 1 to the inlet side of the compressor 1; and a control means which... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070110588 - Infiltration pump having insulated rollers and programmable foot pedal: An infiltration apparatus, having a cannula, a flexible tubing connecting to one end of the cannula, a peristaltic pump comprising a pathway for the flexible tubing to extend through and a plurality of non-conductive rollers installed along the pathway to exerting force on the flexible tubing, a reservoir in fluid... Agent: Stetina Brunda Garred & Brucker

20070110589 - Integrated bicycle air pump: An air pump is integrated, in at least in part, in a seat tube of a frame of a bicycle. A flange is interposed between a seat post and the seat tube. The flange is secured to the seat post in a sliding abutment relationship with the seat tube. A... Agent: Werner & Axenfeld, LLP

20070110590 - Multipiston pump: A multipiston pump including a plurality of piston pumps hydraulically combined into at least two pump units are coupled on the intake side, but supply two separate hydraulic circuits of a vehicle brake system with pressure fluid. To reduce brake pedal pulsation the piston pumps are driven in phase-offset fashion.... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20070110591 - Systems and methods for managing fluids using a liquid ring pump: Methods and systems for chemical management. In one embodiment, a blender is coupled to a processing system and configured to supply an appropriate solution or solutions to the system. Solutions provided by the blender are then reclaimed from the system and subsequently reintroduced for reuse. The blender may be operated... Agent: Air Liquide Intellectual Property Dept.

20070110592 - Integrated liquid cooling system: An integrated liquid cooling system for removing heat from a heat-generating component includes a base (10), a pump (20) mounted in the base and a heat-dissipating member (30) communicating with the pump and coupling with the base. The pump includes a casing (21) having a chamber (212). A rotor (22),... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070110594 - Controllable drive for a motor vehicle, in particular for a coolant pump: A controllable drive (1) suitable for a motor vehicle coolant pump (2) comprises a rotatably mounted shaft (5), a driven member (7) which is rotationally fixedly mounted on the shaft (5), a driving member (9) which is mounted so as to be rotatable relative to the shaft (5), and a... Agent: Foley And Lardner LLP Suite 500

20070110593 - Pump apparatus, systems and methods: Pump apparatus, systems and methods of making and using same are disclosed. One inventive system includes a coupling member, a first shaft and a second shaft, the coupling member connecting the first shaft with the second shaft, the coupling member defining a first axial chamber accepting the first shaft, and... Agent: Schlumberger Reservoir Completions

20070110595 - Fluid conveying machine: A fluid conveying machine has a rotational shaft (11), a double suction type pump (16), and magnetic levitation motors (12, 13) having a function as a radial magnetic bearing for supporting the rotational shaft (11) in a non-contact manner and as a motor for rotating the rotational shaft (11). The... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070110596 - Methods and apparatus for transporting natural gas through a pipeline: A compressor assembly for use in transporting natural gas is provided. The assembly includes a natural gas compressor comprising at least one stage of compression, a permanent magnet-type super-synchronous motor coupled to the natural gas compressor for powering said compressor, and a housing, the compressor positioned within the housing, and... Agent: John S. Beulick (17851)

20070110597 - Mechanically actuated diaphragm pumping system: Apparatus and methods for well pumping utilizing a submersible system comprising a pump body having a pump chamber and a hydraulic chamber. A diaphragm is disposed within the pump chamber and divides the pump chamber into a pumped fluid chamber and a hydraulic fluid chamber. A piston is disposed within... Agent: Conley Rose, P.C.

20070110598 - System and method for pumping fluids: The system and method of the present invention includes an electrical to mechanical converter (EMC), such as a motor, and a hydraulic pump-and-cylinder arrangement that is connected to the electrical to mechanical converter for input, and to a sucker rod pump for output, in at least one embodiment. The entire... Agent: Locke Liddell & Sapp LLP

20070110599 - Plunger piston compressor for refrigerants: The invention concerns a plunger piston compressor (1) for refrigerants, particularly for CO2, with a case-like housing, having a compressor block (2) with a compression section comprising a cylinder (13) as first housing element and a bottom part (3) as second housing element, the compressor block (2) and the bottom... Agent: Mccormick, Paulding & Huber LLP

20070110600 - Linear compressor: Disclosed herein is a linear compressor in which a piston reciprocally moves in a cylinder upon receiving a reciprocating drive force of a linear motor to compress working-fluid, for example, refrigerant, received in the cylinder. The linear compressor comprises a piston adapted to reciprocally move in a cylinder, the piston... Agent: Greenblum & Bernstein, P.L.C

20070110601 - Compressor unit comprising a centrifugal compressor and an electric motor: A compressor unit comprises a centrifugal compressor (1) for compressing a gas, having a rotor (2) with one or more compressor impellers (3), and an electric motor (4) having a stator (5) and a rotor (6), for driving the rotor (2) of the compressor. The compressor and the electric motor... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070110602 - Pump: A pump includes a main body having upper and lower body parts that confine a chamber and an inlet, respectively, an inlet valve including a valve seat and a ball member seated movably on the valve seat to block fluid communication between the inlet and the chamber, a delivery shaft... Agent: Frommer Lawrence & Haug

20070110603 - High-pressure fuel pump: A high-pressure fuel pump comprises a pressurizing chamber for pressurizing fuel, an outlet valve for discharging the fuel pressurized in the pressurizing chamber to an outlet passage, a relief passage for connecting the outlet passage located downstream of the outlet valve and the pressurizing chamber with each other while bypassing... Agent: Crowell & Moring LLP Intellectual Property Group

20070104586 - System and method for correcting for pressure variations using a motor: Systems and methods for compensating for pressure increase which may occur in various enclosed spaces of a pumping apparatus are disclosed. Embodiments of the present invention may compensate for pressure increases in chambers of a pumping apparatus by moving a pumping means of the pumping apparatus to adjust the volume... Agent: SprinkleIPLaw Group

20070104587 - Evacuation apparatus: The present invention relates to an evacuation apparatus for evacuating a vacuum chamber of a substrate processing apparatus for processing a substrate such as a semiconductor wafer or liquid crystal panel. An evacuation apparatus according to the present invention includes a first vacuum pump connected to a vacuum chamber, and... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070104588 - Rotary pressure exchanger: A pressure exchanger for transferring pressure energy from a liquid flow of one liquid system to a liquid flow of another system including a housing provided with inlet and outlet lines for liquid flows having differing pressure states, and a cylindrical rotor disposed in the housing for rotation about its... Agent: Crowell & Moring LLP Intellectual Property Group

20070104589 - Delivery unit that is mounted in a fuel tank: The invention relates to a delivery unit comprising a vertical ejector. A deviation, which is manufactured in one piece with the cover of a fuel pump, is located above the outlet of a mixing tube. The delivery unit is thus extremely cost-effective to produce.... Agent: Mayer, Brown, Rowe & Maw LLP

20070104590 - Rotary compressor: In a high inner pressure type multistage compression rotary compressor including a sealed vessel having a high pressure, there is a large pressure difference between a discharge muffling chamber of a first rotary compression element having an intermediate pressure and the sealed vessel having the high pressure. Since such a... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

20070104591 - Fuel pump: The invention relates to a fuel pump comprising an electromotive drive that has a commutator (20) and carbon brushes (24, 26) that brush alternately against commutator segments (16, 18) when the commutator (20) is rotated. The aim of the invention is to improve the corrosion resistance and to clean the... Agent: Mayer, Brown, Rowe & Maw LLP

20070104592 - Inflating/deflating device for an inflatable: An inflating/deflating device includes a fan unit disposed inside a main housing. A release valve assembly is connected to a deflating port of the main housing for fluid communication with a first air passage of the fan unit. An inlet valve assembly is connected to an inflating port of the... Agent: Harness, Dickey & Pierce, P.L.C

20070104593 - Flat eccentric rotor equipped with a fan and flat vibration motor equipped with a fan comprising same rotor: An eccentric rotor equipped with a fan is included in an axial gap micro-fan motor for generating vibrations and cooling. The rotor has a first impeller section having a low specific gravity and a second impeller section having a high specific gravity. Each fan comprises a flat section at an... Agent: Jordan And Hamburg LLP

20070104594 - Non-electric drive mechanism for a submersible pump: A non-electric drive mechanism connectable to a submersible pump for pumping a fluid from a wellbore to the surface, the drive mechanism including a shaft rotatably disposed within a housing, the shaft operationally connectable to the submersible pump, at least one fan connected to the shaft and a supply manifold... Agent: Schlumberger Reservoir Completions

20070104595 - Eccentric screw pump with integrated drive: The invention relates to an eccentric screw pump which includes a stator and a rotor rotating therein as well as a drive motor for driving the rotor. The armature of the drive motor is non-rotationally linked with the rotor and rotates inside a cylindrical pot on an eccentric orbit. The... Agent: St. Onge Steward Johnston & Reens LLC.

20070104596 - Actuator system comprising lever mechanism: The invention provides a pump assembly comprising an actuator lever, a supporting structure, a pump comprising a pump member moveable by actuation of the actuator lever, and an actuator for moving the actuator lever. A first stationary pivoting joint is formed between the actuator lever and the supporting structure, and... Agent: Novo Nordisk, Inc. Patent Department

20070104597 - Linear compressor: Disclosed herein is a linear compressor wherein a piston and a cylinder are arranged to extend vertically in a shell, and oil suction paths are formed in the cylinder for introducing oil stored in the shell into a space between the cylinder and the piston without requiring oil pumping parts,... Agent: Greenblum & Bernstein, P.L.C

20070104598 - Fixing device for a vacuum pump: The present invention relates to the field of high rotation speed vacuum pumps, which are fastened to and connected to a structure such as a vacuum enclosure or a pipe to generate a hard vacuum. It consists in an annular fixing flange including holes cooperating with headed bolts to fasten... Agent: Sughrue Mion, PLLC

20070104599 - Peristaltic pump: The invention relates to a peristaltic pump in which a case is formed by a dimensionally stable supporting frame (1) and by a tube reception device (2) formed thereon by clipping. A rotor (3) provided with three rotatable transport rollers (33a, 33b, 33c). Said tube reception device (2) is provided... Agent: Maginot Moore & Beck

20070104600 - Oscillating piston pump: Pump (1), suitable for use as a vacuum pump or compressor, has at least one pump piston (2, 3) moving on a circular path, and a pump housing (18), wherein the pump piston (2, 3) is optionally coupled in a rigid manner to one or more further pump pistons (2,... Agent: Martin A Farber

20070104601 - Vacuum bellows: A method of reducing pressure within an enclosed space includes sealing a vacuum bellows to the enclosed space, reducing a first pressure within the enclosed space to a desired pressure, equalizing a pressure in the enclosed space and the vacuum bellows to the desired pressure and collapsing the vacuum bellows.... Agent: Martine Penilla & Gencarella, LLP

20070098564 - Method for controlling operation of a compressor: In a method for controlling operation of a compressor, the compressor is shut off by a control device in order to prevent thermal damages when an estimated temperature value Ts calculated by said control device exceeds an upper threshold value Tmax while the compressor remains on or is allowed to... Agent: Gerlinde M Nattler Continental Teves Ic.

20070098566 - Apparatus and method for controlling operation of reciprocating compressor: An apparatus and method for controlling an operation of a reciprocating compressor are disclosed. The apparatus for controlling an operation of a reciprocating compressor includes: a TDC/BDC detecting unit for detecting a TDC and a BDC of the reciprocating compressor; and a controller for independently controlling the TDC and the... Agent: Ked & Associates, LLP

20070098565 - Infusion pump having function keys: An infusion pump having a plurality of function keys which initiate different processes depending on the state of the infusion pump is disclosed. In the configuration state, the function keys operate to set the various configurable options with regard to the desired medication treatment parameters. In the infusing state, the... Agent: Stetina Brunda Garred & Brucker

20070098567 - Dual pump assembly: The apparatus of the present invention provides a compact dual-pump assembly for an automotive transmission. The dual-pump assembly preferably includes a housing having a valve assembly mounted thereto. The valve assembly includes a shuttle valve disposed in fluid communication with a pressure regulating valve. An on-axis pump is mounted to... Agent: General Motors Corporation Legal Staff

20070098568 - Swash plate compressor: At a housing, a first gas passage I and a second gas passage II extending along the axial direction, a third gas passage III formed substantially symmetrical to the first gas passage I relative to a plane containing a drive shaft, a fourth gas passage IV formed substantially symmetrical to... Agent: Rader Fishman & Grauer PLLC

20070098569 - Tandem pump unit: The present invention provides a tandem pump unit that includes: a first hydraulic pump and a second hydraulic pump respectively having a first pump shaft and a second pump shaft respectively having adjacent ends connected together so that the first and second pump shafts are coaxially aligned and non-rotatably connected... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070098570 - Tandem pump unit: The present invention provides a tandem pump unit that includes: a first hydraulic pump and a second hydraulic pump respectively having a first pump shaft and a second pump shaft respectively having adjacent ends connected together so that the first and second pump shafts are coaxially aligned and non-rotatably connected... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070098571 - Centrifugal fan: The centrifugal fan includes an impeller for producing the flow of air by rotation, and a motor for rotating the impeller. The impeller includes a plurality of main blades and a plurality of auxiliary blades. In the centrifugal fan, the turbulent flow of air flowing near the outer surface of... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070098572 - Pump and method: A pump for pumping a liquid comprises a rotor, a stator having at least one electrical winding and at least one cooling path, and a working conduit extending from a pump inlet to a pump outlet, the working conduit being in liquid communication with the cooling path at least at... Agent: Ogilvy Renault LLP (pwc)

20070098573 - Fuel pump mounting structural body: To provide a fuel pump mounting structural body that allows a mounting space for a fuel tank and the number of manufacturing processes to be reduced. A fuel pump mounting structural body accommodates a fuel pump unit in an opening portion disposed in a fuel tank. The structural body includes... Agent: Birch Stewart Kolasch & Birch

20070098574 - Fuel pump having motor arrangement: A stator core of a motor arrangement includes six cores, which are arranged one after another in a circumferential direction. A bobbin, which is made of dielectric resin, is fitted to each core. Each coil is formed such that a winding is wound around the bobbin through a concentrated winding... Agent: Nixon & Vanderhye, PC

20070098575 - Pumping system: A pumping system is described comprising a bracket being vertically fixed onto the connection end of a pump basement and also connected to a wellhead in order to support multiple fixed pulleys fixed on the same plane as the top end of the bracket), an electric motor and a speed... Agent: David Silverstein Andover-ip-law

20070098576 - Fluid pump having a simplified structure: A fluid pump includes a housing having a sealed interior space, at least one drive gear mounted in the interior space of the housing for driving a fluid, a first magnetically inductive member coupled to the drive gear, a driving member mounted outside the housing; and a second magnetically inductive... Agent: Birch Stewart Kolasch & Birch

20070098577 - Pump system: The present invention relates to a pump system for delivering water from a river, a reservoir, or the like to another place. A pump system 1 according to the present invention includes a pump 5 having an impeller 16 and a drive source 17 which are disposed in a pump... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070098578 - Fluid pressure sensing chamber: A pressure sensing chamber having a tubing extension extending through the chamber. The tubing contains a plurality of ports so as to allow the purging of air from the chamber, but the ports are sized so that bubbles entering the tubing cannot easily flow into the chamber.... Agent: Alcon

20070098579 - Fluid pressure sensing chamber: A pressure sensing chamber having a canted tubing extension with a reduced diameter portion extending through the chamber. The tubing contains a plurality of ports so as to allow the purging of air from the chamber, but the ports are sized so that bubbles entering the tubing cannot easily flow... Agent: Alcon

20070098580 - Pump gear: A pump mechanism having multiple cylinders, whose axes are situated around a crankshaft to enclose predetermined angles, and whose pistons are each functionally connected to a connecting rod mounted on a crank on the crankshaft, each connecting rod being mounted on its own crank and the cranks having a predetermined... Agent: Baker & Hostetler LLP

20070098581 - Power engine provided: To cause the reversal of the pull of gravity, on a held liquid density, so that it can be supported to height by air weight and lifted by effortless displacement and a minimum of friction and transported through governing valve stops to be emptied at height, by using a held... Agent: Robert Malcolm Hooper

20070098582 - Sump pump with reduced-noise check valve: A system is provided for reducing noise produced by a falling liquid column in a discharge line connected to a sump pump through a flapper valve, when the flapper valve is moved from an open position to a closed position. The system includes a closed-end tube in fluid communication with... Agent: Stephen G. Rudisill Jenkens & Gilchrist

20070098583 - Air compressor having detachable structure: An air compressor includes a piston slidably received in a cylinder housing, and a motor coupled to the piston for moving the piston relative to the cylinder housing in a reciprocating action, in order to generate pressurized air. A cover is detachably secured on top of the cylinder housing, and... Agent: Charles E. Baxley, Esquire