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Rotary expansible chamber devices

Below 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.
06/11/2015 > patent applications in patent subcategories.
06/04/2015 > patent applications in patent subcategories.
05/28/2015 > 6 patent applications in 5 patent subcategories.

20150147211 - Gear pump bearing dam: The subject matter of this specification can be embodied in, among other things, a method that includes a gear pump includes gears having a gear root diameter and teeth having an addendum and pressure angle. A housing includes a fluid inlet and discharge, bearings configured to position the gear teeth... Agent: Woodward, Inc.

20150147213 - Gas compressor: A gas compressor includes at least two first and second discharge ports (45a, 45b) which are provided at an upstream side in a rotation direction of a rotor (50) along a peripheral direction of an inner peripheral surface 40a of a cylinder (40) with respect to a closest area (proximity... Agent: Calsonic Kansel Corporation

20150147212 - Reversible pneumatic vane motor: A reversible pneumatic vane motor includes a stator housing with a pressure air inlet passage and an exhaust air outlet passage, a cylinder supported in the stator housing, a vane carrying rotor rotatable in the cylinder and forming a clearance seal portion with the cylinder, air communication ports located at... Agent: Atlas Copco Industrial Technique Ab

20150147214 - Scroll compressor: A scroll compressor includes a compression mechanism including fixed and movable scrolls. The fixed and movable scrolls have end plates and spiral laps. The laps are engaged to form a compression chamber. The end plates are in pressure contact around the compression chamber to form a thrust sliding surface. The... Agent: Daikin Industries, Ltd.

20150147215 - Scroll-type fluid machine with grease-lubricated orbiting bearing: A scroll-type fluid machine reduces intrusion of abrasion powders, generated by sliding of a conductor causing an orbiting scroll side and a fixed scroll side to be conducted, into a compression chamber, and improves reliability of a compressor. The scroll-type machine includes a casing, a fixed scroll having a flange... Agent:

20150147216 - Gas compressor: A compressor body (60) which is formed such that a compression chamber (43A) dr ivied by a rotor (50), a cylinder (40), side blocks (20, 30) and vanes (58) performs only one cycle of intake, compression and discharge in a period of one rotation of the rotor (50), and a... Agent:

05/21/2015 > 7 patent applications in 7 patent subcategories.

20150139840 - Valve device for a hydraulic circuit, and oil pump control assembly: A valve device for a hydraulic circuit includes an actuator unit and a valve unit. The actuator unit comprises a spring element and an electromagnetic circuit. The electromagnetic circuit comprises an armature, a core comprising a passage hole, a coil, and a flux-guiding device. A stop element comprising a passage... Agent: Pierburg Gmbh

20150139841 - Oil pump: An oil pump includes an inner rotor, an outer rotor, an outer ring, and a pump housing including a suction port and a discharge port, and including a first seal land formed between a terminal end section of the suction port and a start end section of the discharge port,... Agent:

20150139842 - Progressive cavity pump: A progressive cavity pump comprising a casing, a helical stator including a helical cylinder and a helical rotor capable of rotating inside said helical cylinder. The helical stator also comprises at least one compensator arranged in said casing, between the casing and said helical cylinder; said helical cylinder and said... Agent:

20150139843 - Internal gear pump: An internal gear pump with a field replaceable idler is disclosed that may be used for sanitary applications. Access to the idler mainly merely requires removal of the head. Access to the seal assembly disposed at the inboard end of the pump chamber is also fast and easy as removal... Agent: Viking Pump, Inc.

20150139844 - Scroll compressor with oil management system: A compressor (10) is provided and may include a shell (12), a main bearing housing (18) disposed within the shell (12), a driveshaft (16), a non-orbiting scroll member (24), and an orbiting scroll member (22). The driveshaft (16) may be supported by the main bearing housing (18). The non-orbiting scroll... Agent: Emerson Climate Technologies, Inc.

20150139845 - Housing for a rotary vane pump: A housing for a rotary vane pump includes a suction flange and a discharge flange having a multi-angular cross-section with at least two sides extending parallel to each other, cooling ribs provided on an outer surface of the housing, with the number of cooling ribs in the region with a... Agent:

20150139846 - Blade-type fluid transmission device: A blade-type fluid transmission device includes a rotor eccentrically located in the room of a stator and the outer periphery of the rotor is tangent to the inner periphery of the room. At least one blade is pivotably connected to stator and movably inserted in at least one slot of... Agent:

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