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Pumps October categorized by USPTO classification 10/11Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 10/27/2011 > 4 patent applications in 4 patent subcategories.
20110262285 - Condensate pump: A condensate pump for an HVAC system includes a reservoir for collecting condensate water, a pump motor connected to an impeller pump for pumping the condensate water out of the reservoir, and a floatless pump controller. The floatless pump controller detects the water level in the reservoir and, based on... Agent:
20110262286 - Suction device: A suction device comprises a first element, a second element, and an intermediate element. The first element comprises a first control volume having a first pressure. The second element comprises a second control volume having a second pressure. The intermediate element is controlled by the first pressure of the first... Agent: Industrial Technology Research Institute
20110262287 - Hydraulic pump controller for construction machine: A hydraulic pump controlling apparatus of a construction machine according to the present disclosure includes: a hydraulic pump in which a swash plate angle is controlled to control a discharge flow; an auxiliary pump; a control valve controlling a flowing direction of a fluid discharged from the hydraulic pump and... Agent: Doosan Infracore Co., Ltd.
20110262288 - Wear plate kit for brass water pump: A wear plate kit for a 496 style/Mercruiser(R) brass water pump includes: a first wear plate to be positioned between the base assembly and the rotor; a second wear plate to be positioned between the base assembly and the upper assembly; and a third wear plate to be positioned between... Agent:10/20/2011 > 15 patent applications in 11 patent subcategories.
20110255992 - Pump controller: The present invention provides a technique using current sensing to control the pressure at constant level without the direct sensing of the pressure. This technique will help to reduce dependency solely on switch or sensor and their non linearity and other associated problems such as the non-repetitive behavior, being affected... Agent:
20110255994 - Air compressor system and method of operation: Air compressor systems, upgrade kits, computer readable medium, and methods for controlling an air compressor for improved performance. The methods may include receiving a working air requirement; determining an estimated air pressure of the air compressor to deliver the working air requirement; measuring a pressure of the air compressor; comparing... Agent: Sandvik Intellectual Property Ab
20110255995 - Air compressor system and method of operation: Air compressor systems, upgrade kits, computer readable medium, and methods for controlling an air compressor for improved performance. The methods may include receiving a working air requirement; determining an estimated air pressure of the air compressor to deliver the working air requirement; measuring a pressure of the air compressor; comparing... Agent: Sandvik Intellectual Property Ab
20110255997 - Hydraulic gravity ramp pump: A piston type pumping apparatus comprises a vertically oriented cylinder having a top and a bottom with a first aperture. There are first and second passageways for liquid in the cylinder at the top and bottom respectively thereof. A piston is reciprocatingly mounted within the cylinder and has an area... Agent:
20110255996 - Inverted fluid dispensing pump and dispensing system, and method of using an inverted pump: A valve system for controlling a flow of a fluid is provided that includes a port including a valve seat, and a ball adapted to cooperate with the valve seat to seal the port. The valve system also includes an arrangement for magnetically positioning the ball on the valve seat.... Agent:
20110255993 - Precompression effect in pump body: The current application discloses various embodiments where a pre-compressive force is applied to a defined zone of the fluid end of a pump so as to extend the operational life of the fluid end by reducing stress and fatigue level at the defined zone of the fluid end. In one... Agent:
20110255998 - Method and device for pumping liquids using a pneumatic positive displacement pump: A method of pumping a liquid using at least one operating tank (2), a pneumatic positive pressure displacement pump (1), which is based on the fact that during pumping, inflow valve (4) closure is controlled through the introduction of a control gas into the operating tank (2) positive pressure displacement... Agent:
20110255999 - Use of a rolling-element bearing for bearing rotating components in vacuum devices and vacuum device: A rolling-element bearing for bearing rotating components in vacuum devices includes a plurality of rolling elements (10) arranged between bearing elements (12, 14). A bearing compartment (26) is for example closed by sealing elements (22, 24) on both sides. The sealing elements (22, 24) have a minor sealing gap(s). The... Agent: Oerlikon Leybold Vacuum Gmbh
20110256000 - Local backup hydraulic actuator for aircraft control systems: A backup system is provided that has a local electric motor and pump for some or all of hydraulic actuators. A local backup hydraulic actuator has two power sources, hydraulic as primary and electrical as backup. During normal operation, the hydraulic actuator receives pressurized fluid from a hydraulic system and... Agent: Nabtesco Corporation
20110256001 - Reciprocating compressor: A reciprocating compressor provided with a piston, which is compact and having high sealing performance is provided. A reciprocating compressor includes: a low-pressure compressor unit having a low-pressure piston and a low-pressure cylinder for compressing air with the low-pressure piston reciprocating while oscillating within the low-pressure cylinder; a high-pressure compressor... Agent: Hitachi Industrial Equipment Systems Co., Ltd.
20110256002 - Electric compressor having drive circuit integrated thereinto: Disclosed is a drive circuit-integrated electric compressor, which is adapted to cool a power semiconductor element in a motor drive circuit with good efficiency without increasing the temperature of sucked refrigerant gas and while suppressing increase in pressure loss in a path for cooling. Specifically disclosed is a drive circuit-integrated... Agent:
20110256003 - Dry vacuum pump: Between an exhaust chamber and a lubrication chamber, a second seal that seals between a cylinder that partitions the exhaust chamber and a first shaft and a first seal that seals between a side cover that partitions the lubrication chamber and the first shaft are provided. A gas introduction space... Agent: Mitsubishi Heavy Industries, Ltd.
20110256004 - Piezoelectric devices and methods and circuits for driving same: A drive circuit (18) produces a drive signal for a pump (10) having a piezoelectric actuator (14), with the piezoelectric actuator (14) forming a part of the drive circuit (18) and serving to shape a waveform of the drive signal. The drive circuit (18) comprises a pulse generator (100) which... Agent: Par Technologies, LLC
20110256005 - Motor drive device and electric equipment utilizing the same: Brushless DC motor (4) is driven based on a first or second waveform signal output from switching determination unit (11), which switches outputting so that a first waveform signal by first waveform generation unit (6) is output when the speed of rotor (4a) is determined to be lower than a... Agent: Panasonic Corporation
20110256006 - Apparatus for removing standing water: A manually-operated, self-contained apparatus for removing standing water from an athletic field.... Agent:10/13/2011 > 6 patent applications in 6 patent subcategories.
20110250079 - Dual jet system: Provided is a dual jet system mounted at a bottom end of a reservoir in a fuel pump module, and more particularly, to a fuel pump module mounted with a dual jet system capable of preventing a phenomenon that fuel is not smoothly filled in a reservoir due to fuel... Agent: Coavis
20110250080 - Human-powered irrigation pump: A human-powered pump assembly includes a frame and a treadle pivot attached to the frame, such that the treadle pivot defines a horizontal rotational axis. The pump assembly includes a pair of treadles coupled to the treadle pivot and a rocker pivot attached to the frame, such that the rocker... Agent:
20110250081 - Top-mounted digital-control tower pumping unit: A top-mounted digital-control tower pumping unit includes a tower frame (1), a power system (2), a drive system, a control system (3), a balance weight box (4), a balance weight positioning cable (5), a driving cable (6), a plurality of cable hangers (7) and a guide wheel mechanism, wherein the... Agent:
20110250082 - Hermetic compressor: A compression device a rotor and stator in a case, a shaft coupled to the rotor, and a compressor coupled to the shaft to suction, compress, and discharge refrigerant within the case. At least one bearing is used to support the shaft, and the shaft has a diameter that is... Agent:
20110250083 - Linear compressor: The present invention discloses a compressor including a hermetic container into/from which refrigerant is sucked and discharged, a compression unit provided in the hermetic container and compressing the refrigerant, a motor unit provided in the hermetic container to be connected to the compression unit and driving the compression unit, and... Agent: Lg Electronics Inc.
20110250084 - Mud pump modules with surge dampeners: A drilling fluid pumping system including a pump apparatus with a pumping chamber having an inlet valve and an outlet valve and a dampener system in fluid communication with the pumping chamber for damping the flow of fluid, e.g. drilling fluid, This abstract is provided to comply with the rules... Agent: National Oilwell Varco, Lp10/06/2011 > 17 patent applications in 11 patent subcategories.
20110243757 - Inverter control device for ac motor and electric compressor: The present invention has an object to detect a three-phase AC motor current with high accuracy only with DC input current measuring means to a three-phase PWM inverter, and reduce resonance of a DC power supply by a ripple current in driving an AC motor with a DC current via... Agent: Mitsubishi Heavy Industries, Ltd.
20110243758 - Liquid ring pump with gas scavenge device: A liquid ring pump having a channel including a first opening which opens into a first bucket formed by rotor blades. The first opening is located along an arcuate path between a closing edge of an inlet port and a leading edge of a discharge port The inlet port and... Agent:
20110243759 - Centrifugal pump apparatus: A centrifugal blood pump apparatus includes an impeller provided in a blood chamber, a permanent magnet provided in one surface of the impeller, a permanent magnet provided in an inner wall of the blood chamber, a permanent magnet provided in the other surface of the impeller, and a magnetic material... Agent:
20110243760 - Pressure recovery insert for reciprocating gas compressor: A method of reducing pulsations in a reciprocating compressor system, the system having nozzles between cylinders and filter bottles of the compressor system, the nozzles attaching at ports of the cylinders and filter bottles. A special insert is designed to be placed in one or more of the nozzle. The... Agent: Southern Gas Association Gas Machinery Research Council
20110243761 - Pulsation dampener for gas compressors having selectable size choke openings: A gas flow pressure pulsation dampener includes a sealed housing having an inlet port, an outlet port a center section disposed between the inlet port and the outlet port. A choke plate is rotatably disposed in the center section and has a plurality of different size openings disposed circumferentially about... Agent:
20110243762 - Motor-driven centrifugal compressor: A motor-driven centrifugal compressor includes a journal air bearing having a bump foil and a top foil for restraining a bearing shaft in a resting state and forming an air layer between the top foil and the bearing shaft in a rotating state. The top foil and the bump foil... Agent: Honda Motor Co., Ltd.
20110243763 - Motor-driven compressor: A motor-driven compressor is to be mounted to a first mounting of a vehicle. The compressor includes a housing having therein a compression mechanism that is electrically powered to draw fluid into the housing for compression and to discharge the compressed fluid out of the housing, and a second mounting... Agent: Kabushiki Kaisha Toyota Jidoshokki
20110243764 - Motor-driven compressor: The motor-driven compressor is mounted on a first mounting of a vehicle. The motor-driven compressor includes a compressor body, a second mounting, a first spacer, a flexible conductor and a fastener. The compressor body is electrically powered to draw in fluid for compression and to discharge the compressed fluid. The... Agent: Kabushiki Kaisha Toyota Jidoshokki
20110243765 - Motor-driven compressor: The motor-driven compressor is mounted on a mounting of a vehicle. The motor-driven compressor includes a compressor body, a mounting, a damper and a fastener. The compressor body is electrically powered to draw in fluid for compression and to discharge the compressed fluid. The mounting of the compressor is formed... Agent: Kabushiki Kaisha Toyota Jidoshokki
20110243766 - Compressor with transmission: A compressor includes a housing, a compression mechanism, an input shaft rotatable on an axis thereof, an output shaft for driving the compression mechanism, a transmission for transmitting torque from the input shaft to the output shaft and also changing the rotating speed of the input shaft and a control... Agent: Kabushiki Kaisha Toyota Jidoshokki
20110243770 - Electromagnetic machine with a fiber rotor: An impeller is provided that may be used in compressors or turbines. In another aspect of the present invention, a fiber or a bundle of fibers is woven to form at least two blades of an impeller. Yet another aspect of the present invention employs a peripheral component woven around... Agent: Board Of Trustees Of Michigan State University
20110243768 - Motor stator and rotary compressor: According to one embodiment, a motor stator includes a substantially cylindrical stator iron core and insulators. The stator iron core includes a yoke, teeth, and U-shaped grooves. The U-shaped grooves are formed on the circumference of the yoke in the axial direction. The insulators each include an outer circumference wall,... Agent: Fujitsu General Limited
20110243767 - Motor-driven compressor: A motor-driven compressor is to be mounted to a first mounting of a vehicle. The compressor includes a compressor body that is electrically powered to draw in fluid for compression and to discharge the compressed fluid, and a second mounting for securing the compressor body to the first mounting. The... Agent: Kabushiki Kaisha Toyota Jidoshokki
20110243769 - Motor-driven compressor: A motor-driven compressor includes a connector to which a first and second conductors are connected, and a connector case receiving the connector. The connector case includes a first case member and a second case member. A seal member is provided between the first and second case members. The first case... Agent: Kabushiki Kaisha Toyota Jidoshokki
20110243771 - Electric compressor: An electric compressor is installed in a vehicle and includes a shell. The electric compressor includes an inverter, a cover, and a conductive component. The cover covers the shell and the inverter. The conductive component is electrically connected to the inverter and arranged outside the cover. The cover includes an... Agent: Toyota Jidosha Kabushiki Kaisha
20110243772 - Fuel supply installation of an aircraft turbojet:
20110243773 - Universal oil fitting: A universal oil fitting may include a body and an orifice. The body may include a first end, a second end, a first outer portion and a second outer portion. The first outer portion may include external threads and may extend longitudinally between the first end and the second outer... Agent:Previous industry: Fluid reaction surfaces (i.e., impellers)
Next industry: Rotary expansible chamber devices
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