Pumps inventions

20090263255 - Apparatus and method for controlling electric compressor: There is provided an apparatus for controlling an electric compressor, which can actuate the electric compressor rapidly through a simpler and lower-cost configuration while achieving reduction in weight, cost, and assembling time of the electric compressor. In the case where a pressure difference between the inlet side and the outlet... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090263256 - Head for a peristaltic pump: A head for a peristaltic pump that may be used for delivering ink to a flexographic printing press includes a housing and a roller assembly. The housing is adapted to receive a flexible tube. The housing has a curved wall and a clamp. The clamp secures the flexible tube within... Agent: Hammer & Associates, P.C.

20090263257 - System and method for delivery of precursor material: According to the invention, an inert gas is bubbled through the product, in particular pyrophoric, to be purified in the liquid state in order to generate a mixture, the mixture is preferably routed close to the use point, the product, in particular pyrophoric, is separated from the inert gas and... Agent: Air Liquide Intellectual Property

20090263258 - Vibration dampening media in hydraulic power units: A hydraulic power unit that uses a quantity of media within a cavity adjacent to and surrounding a hydraulic assembly in the housing of the hydraulic power unit to reduce the overall noise of the unit. Additionally, the cavity either seals the media from the moving parts of the hydraulic... Agent: Zarley Law Firm P.L.C

20090263259 - Hydraulic pump adaptation for an auxiliary power unit: The present invention is generally related to providing auxiliary power to long-haul trucks and similar types of transportation vehicles, and more particularly related to an easily installed and maintained auxiliary power unit that provides operational levels of electrical power and HVAC services while simultaneously driving a hydraulic system through an... Agent: Silversky Group LLC

20090263260 - Inverter device: The inverter device contains the following structure: an inverter circuit which has upper-arm switching elements that are connected on a positive side of a DC power source and lower-arm switching elements that are connected on a negative side of the DC power source; a current sensor that detects current flowing... Agent: Ratnerprestia

20090263261 - Device for returning oil separated from blow-by gases and accumulated in an accumulation chamber: The invention relates to a device for returning oil separated from blow-by gases and accumulated in an accumulation chamber (5) into the crankcase (2) of an internal combustion engine with a pump (9), wherein the pump (9) is located on a component (8) of the internal combustion engine, which component... Agent: Madson Ip

20090263262 - Linear compressor: A linear compressor (1) includes a cylinder (21) with a piston (22) connected through a main spring (19) and a planar spring (20). One or more flat blocks of permanent magnet material (17) with large faces of the blocks facing a stator (15) and defining armature poles are secured to... Agent: Trexler, Bushnell, Giangiorgi, Blackstone & Marr, Ltd.

20090263263 - Suction device: A suction device (10) is described. The suction device (10) includes a cylinder (11) having a semi-closed end (113), a suction tip (13) connected to the semi-closed end (113), a piston (12), an elastic member (16) and an electromagnetic member (17). The piston (12) is slidably received in the cylinder... Agent: PCe Industry, Inc. Att. Steven Reiss

20090263264 - Bi-directional continuous peristaltic micro-pump: A bidirectional continuous peristaltic micro-pump is described. The micro-pump comprises: a substrate, an actuating mechanism and a fluid channel. The actuating mechanism comprises: a first slanted membrane the thickness of which increases progressively from left to right, a first chamber formed between the first slanted membrane and the substrate; and... Agent: Apex Juris, PLLC

20090257886 - Method and apparatus for controlling microfluidic flow: P

20090257887 - Remote oil pumping system for an automatic transmission: An auxiliary oil pumping system for an automatic transmission includes an auxiliary oil pump, the auxiliary oil pump being separate from an internal oil pump of the transmission but connected to an oil circuit of the automatic transmission to circulate oil in the system. An oil pump motor is connected... Agent: Shuttleworth & Ingersoll, P.L.C

20090257888 - Multiple chamber pump and method: Disclosed is a pneumatically powered high-pressure and lightweight fluid pump. The pump is useful for pumping fuel for liquid rocket engines and for transferring liquids from one space vehicle to another. During operation of the pump, liquid is drained from a tank into a pump chamber and the chamber is... Agent: Steven M. Harrington

20090257889 - Vacuum pump: [Solution] The distance h between a base end face 12ta (12tb) of a stator-blade-wheel outer ring part 12a and the corresponding rotor-blade end face 4aa (4ab), is set at a value larger than the maximum deformation of the running rotor blade wheel 4a during the pump operation. The larger distance... Agent: Edwards Vacuum, Inc.

20090257890 - Oil separating structure of variable displacement compressor: Provided is an oil separating structure of a variable displacement compressor including: a cylinder block having a plurality of cylinder bores; a front housing disposed in the front of the cylinder block to form a swash plate chamber; a drive shaft rotatably supported at the cylinder block; a lug plate... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20090257891 - Hydraulic system and method for controlling valve phasing: An exemplary hydraulic system includes a first digital valve fluidly connectable to a first hydraulic load and a pump. The first valve is operable to fluidly connect the first hydraulic load to the pump. A second digital valve is fluidly connectable to a second hydraulic load and the pump. The... Agent: Rader, Fishman & Grauer PLLC

20090257892 - Suction muffler for a hermetically enclosed refrigerant compressor: The invention concerns a suction muffler (1) for a hermetically enclosed refrigerant compressor with a housing (2, 3) having, between an inlet (10) and an outlet (11), a first muffling chamber (8) in the flow direction and a second muffling chamber (9) in the flow direction, an insert (7) being... Agent: Mccormick, Paulding & Huber LLP

20090257893 - Long-life pump unit: The pump unit according to the invention is formed by assembling a pump module (9) comprising a body having a cavity (10) forming a working chamber, a translationally mobile piston (15) engaging leaktightly in the cavity (10) via a seal (14), at least one channel (12, 13) formed in the... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20090257894 - Enhanced axial air mover system cord retainer: Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow... Agent: Davis Wright Tremaine, LLP/seattle

20090257895 - Electric compressor: An electric turbo compressor is an air compressor to be used in a fuel cell system, and includes a housing comprised o a compression casing, a motor casing, and a canceller casing, and the housing houses therein an impeller, a rotary shaft, a thrust canceller (a load cancellation section), and... Agent: Squire, Sanders & Dempsey L.L.P.

20090257896 - Alternative methods to generate high pressure by iteration in a high-pressure multichamber: A multistage ultra high pressure multichamber, have among which stages can be included pumps. A chamber has another chamber inside which also contain a pump or a pumping system towards the inside, where a third chamber is considered with its pumping system towards its interior successively the device is useful... Agent: Hasse & Nesbitt LLC

20090257897 - Reciprocating pump: The present invention provides a pump having a compact and lightweight design, which enables an improvement in pump efficiency and a reduction in noise. The pump comprises a manifold having a pump chamber, a suction port for sucking fluid from the outside to the inside of the manifold, a discharge... Agent: Osha Liang L.L.P.

20090252616 - Variable rate pumping system: A pumping system comprising a motor, wherein the motor has an operating speed, a pump coupled to the motor, wherein the pump has a volumetric displacement, a fluid end coupled to the pump, wherein the fluid end is operable to draw fluid from an input and provide fluid to an... Agent: John W. Wustenberg

20090252617 - Method for operation of a compressor supplied by a power converter: The invention relates to a method for operation of a compressor supplied by a power converter. According to the invention, an operating condition (BV) for the compressor (12) supplied by a power converter, generated from a measured actual rotational speed (n) of the compressor and a given effective current component... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20090252618 - Suction jet pump: The invention relates to a suction jet pump (8), consisting of a driving jet nozzle (10), a mixing tube (11), an intake opening (12), a working-fluid line (7) connected to the driving jet nozzle (10), and a valve (9) which is arranged with the working-fluid line (7) and whose housing... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090252619 - Integrated pump housing: The present invention is drawn to fluid delivery systems containing a pump and at least one additional element or function integrated as part of the pump assembly. Additional elements may include a heater assembly component, a filter component, an additive reservoir component, an ion generator component, an ozone generator component,... Agent: Stout, Uxa, Buyan & Mullins LLP

20090252620 - Reinforced smart mud pump: A pump system for movement of fluids having a reciprocating piston power pump having at least three reciprocating pistons operable to displace fluid from a housing having a pumping chamber, an integrally forged crankshaft operably connected to the pistons, at least one sensor operable to sense ambient conditions on the... Agent: James D. Petruzzi

20090252621 - High pressure fuel pump: A high pressure fuel pump encompasses at least one delivery chamber and one high pressure outlet. In addition, a pressure limiting valve with a valve that is actuated by a pressure differential is provided that can open from the high pressure outlet to the delivery chamber. On a high pressure... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20090252622 - Input shaft driven hybrid transmission pump: A pump for a hybrid transmission includes an input shaft having a mating surface—which may include a flat portion—on an outer surface thereof, and a pump rotor coaxial with the input shaft. The pump rotor has an inner surface corresponding to the mating surface of the input shaft, and is... Agent: Quinn Law Group, PLLC

20090252623 - Reciprocating motor and a reciprocating compressor having the same: A reciprocating motor and a reciprocating compressor having the same are provided. One side of each of outer and inner cores forming a stator are connected to each other, to prevent a magnetic flux generated by the coil and a magnet from leaking out of the stator. Hence, it is... Agent: Ked & Associates, LLP

20090252624 - Element for positioning and retaining an electric motor stator in a compressor, compressor and mounting method: A positioning and retaining element has a cylindrical rotary belt of substantially constant thickness, having an inner diameter substantially equal to the outer diameter of the stator to be capable of being mounted substantially coaxial clamped about the stator. The positioning and retaining element also has a number of support... Agent: Oliff & Berridge, PLC

20090252625 - Linear compressor and the supporter for the same: The present invention relates to a linear compressor compressing a working fluid in the cylinder such as a refrigerant and etc with the reciprocating movement of the piston in the cylinder due to the reciprocating force of the linear motor, and provides a linear compressor and the supporter for the... Agent: Mckenna Long & Aldridge LLP

20090252626 - Rotary distributor for pressure multiplier: The invention provides a system for multiplying pressure comprising at least two hydraulic cylinders communicating with an exit supplying pressure, wherein each cylinder has a piston within a chamber; said pistons cooperating respectively with an associated piston to supply pressure at the exit; and a rotary distributor communicating with said... Agent: Schlumberger Technology Corporation David Cate

20090252627 - Compressor assembly comprising a valve unit in the intake region: An air compressor assembly includes a compressor housing, an intake port defined by the compressor housing for intake of the air, and a plurality of guide contours disposed adjacent to the intake port. The guide contours include between three and six strips. A valve unit is disposed adjacent to the... Agent: Barnes & Thornburg LLP

20090252628 - Sealing rings for abrasive slurry pumps: There are a number of applications today where the pumping of abrasive slurries is necessary. The pumping mechanisms, though, can be complex, employing multiple transfer cylinders and movable pipes. These designs have their problems, specifically wear between poorly sealing surfaces. To reduce this problem, seals are provided that have multiple... Agent: Storm LLP

20090252629 - Pump and pumping system for microfluidic lab-on-a-chip using porous structure and fabricating method thereof: The present invention relates to a pump and pumping system for a microfluidic lab-on-a-chip, and a fabricating method thereof. An exemplary embodiment of the present invention provides a method of fabricating a pump for microfluidic lab-on-a-chips, the method including: infiltrating PDMS (polydimethylsiloxane) solution into a porous lump of water-soluble material;... Agent: LexyoumeIPGroup, LLC