Quotables
"There is no likelihood man can ever tap the power of the atom."
Robert Millikan, Nobel Prize winner in physics
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8167580 | Axial piston machine with hydrostatic support of the holding-down device An axial piston machine is provided. A housing of the machine receives an eccentric disk and a rotatably mounted cylinder drum. The drum has cylinders and pistons. The pistons are reciprocatable in the cylinders. The ends of the cylinders project from the cylinders ... | 05/01/2012 |
| 8152483 | Variable capacity compressor The variable capacity compressor has a rotor 21, as a rotating member, fixed to a drive shaft 10 and rotating integrally with the drive shaft 10, a swash plate 24, as a tilting member, tiltably and slidably attached to the drive shaft ... | 04/10/2012 |
| 8152481 | Piston-type compressor This invention is to provide a piston-type compressor that assures optimal lubrication by supplying oil in plentiful quantity to a sliding portion in a cylinder block having cylinders formed therein, through which pistons slide reciprocally. A crankcase is defined b... | 04/10/2012 |
| 8152482 | Displacement control valve for variable displacement compressor A displacement control valve for a variable displacement compressor. The displacement control valve includes a drive force transmission body, a pressure sensitive chamber, an internal passage, and a valve body. The valve body includes an annular seal which is contac... | 04/10/2012 |
| 8137078 | Axial piston machine An axial piston machine, especially an air-conditioning compressor for motor vehicles, including a power unit which is rotatably driven by a shaft and in which the rotary movement is converted, via a swash plate, a wobble plate, or a pivot ring, into a fore-and-aft ... | 03/20/2012 |
| 8133036 | Fluid powered motor A low pressure fluid powered motor or pump comprises a non-rotatable cover (k); an undulating lobe cam track (e) attached to the cover (k) and defining multiple crests and troughs; a rotatable cylinder block (c); at least three reciprocating pistons (d) each housed ... | 03/13/2012 |
| 8118567 | Swash plate type piston pump motor A swash plate type piston pump motor is configured such that: a plurality of pistons are arranged in a circumferential direction in a cylinder block configured to rotate with a rotating shaft; the pistons reciprocate such that tip end portions thereof are guided by ... | 02/21/2012 |
| 8118566 | Piston compressor with second intake In a piston-type compressor in which a working fluid is taken in through an intake port is first compressed with pistons and is then let out through an outlet port, an axial hole ranging along the axial direction and a radial hole communicating with the axial hole a... | 02/21/2012 |
| 8092193 | Self lubricating pump A self-lubricating water-cooled piston-style water pump has a unitary pump housing with a crankcase in direct water communication with the water pump inlet. A low pressure chamber is in direct water communication with the crankcase. A compression chamber is in direc... | 01/10/2012 |
| 8087903 | Hydraulic rotary machine In a hydraulic rotary machine having rotational shaft provided within a casing a rotational shaft, a cylinder block rotationally interlocked with the rotational shaft and formed with a plural number of cylinder bores, and pistons slidably received in the cylinder bo... | 01/03/2012 |
| 8062003 | System and method for providing oxygen A home care oxygen system includes an inline compressor that has all the check valves and gas flow passages between cylinders located in the cylinder head. Only a single check valve is used for each cylinder. The crankshaft is built up from a shaft with eccentrics a... | 11/22/2011 |
| 8047810 | Double-headed piston type compressor A double-headed piston type compressor connected with an external device is provided. The compressor includes a plurality of cylinder bore pairs, double-headed pistons, a first rotary valve, a second rotary valve, first suction passages, and second suction passages.... | 11/01/2011 |
| 8007250 | Compressor The present invention relates to a compressor, which includes a main refrigerant supply channel for supplying refrigerant by passing through the inside of a driving shaft and an auxiliary refrigerant supply channel for supplying refrigerant by passing through a suct... | 08/30/2011 |
| 7997879 | Axial piston machine of swash-plate construction with a bearing arrangement of the cylinder block on a supporting journal An axial piston machine of swash-plate construction includes a cylinder block (2) rotatable in a housing (1) and supported in the axial direction against a valve plate (6a) arranged on a housing component (7), a driving shaft (8... | 08/16/2011 |
| 7997880 | Compressor The present invention relates to a compressor, which can inhale refrigerant supplied to a swash plate chamber to cylinder bores through the inside of a driving shaft so that a flow channel structure is simplified, thereby enhancing a suction volumetric efficiency by... | 08/16/2011 |
| 7976288 | Refrigerant gas compressor A refrigerant gas compressor includes a cylinder block formed with plural cylinder bores, a first housing disposed at the one end of the cylinder block, a second housing disposed at the other end of the cylinder block, a drive shaft supported by the cylinder block a... | 07/12/2011 |
| 7972118 | Variable capacity compressor The first maximum inclination angle θ1 is a maximum inclination angle of a link member 45 allowed by a clearance between a slit 41s of a rotor 21 and one end 45a of the link member 45; the second maximum incli... | 07/05/2011 |
| 7972119 | Variable displacement compressor A variable displacement compressor includes a housing, a rotary shaft, a swash plate, a suction pressure region, a suction throttle valve, an oil reservoir, a lubricating oil passage, a gas flow passage, a communication passage, and a throttle mechanism. The suction... | 07/05/2011 |
| 7967574 | Variable pump or hydraulic motor The invention concerns a variable pump or hydraulic motor with a drive shaft with a first axis of rotation and first plungers connected to the drive shaft and rotatable around the first axis of rotation. A port plate mounted in the housing can rotate around an axis ... | 06/28/2011 |
| 7950904 | Compressor The present invention relates to a compressor which secures a sufficient refrigerant inhaling passage so as to minimize a refrigerant inhaling resistance and also to increase lubricating action with respect to a thrust bearing supporting a swash plate, in a structur... | 05/31/2011 |
| 7905711 | Multiple pump unit There is provided a multiple pump unit including a pump shaft, a first pump, a pump housing, a second pump and a fluid passage block connected to one end surface in an axis line direction of the pump housing. One or both contacting surfaces of the pump housing and t... | 03/15/2011 |
| 7862308 | Rotary reciprocating pump A rotary reciprocating pump comprises: i) a pump housing having intake and discharge ports; a shaft driven rotary piston carder, rotatably carrying pistons circularly arranged therearound; ii) a driven rotary cylinder block having a plurality of cylinder bores there... | 01/04/2011 |
| 7862307 | 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 subs... | 01/04/2011 |
| 7845916 | Axial piston machine in swashplate construction An axial piston machine (1) has a swashplate construction with work pistons (6) located longitudinally in a cylinder drum (4), each supported by a sliding block (8) on a swashplate (11). The sliding blocks (8) are secured ag... | 12/07/2010 |
| 7841840 | Double-headed piston type compressor A mechanism for drawing in refrigerant to front compression chambers (28a) of a double-headed piston type compressor differs from a mechanism for drawing in refrigerant to rear compression chambers (29a). More specifically, the mechanism ... | 11/30/2010 |
| 7819636 | Air pump with improved air intake control structure An air pump operably by a motor to pump air is disclosed to include a body, an airbag unit, which is mounted in the body has multiple airbags each having an air chamber and an air inlet, a lifting mechanism rotatable by the motor to move the airbags to pump air, a p... | 10/26/2010 |
| 7811066 | Double-headed piston type compressor In a double-headed piston type compressor provided with a rotary valve in a rotary shaft, the rotary valve has an introducing port for introducing refrigerant from a suction-pressure region through a supply passage and a respective suction port into a compression ch... | 10/12/2010 |
| 7806667 | Dual pump A dual pump apparatus having two pumps mounted in a housing, where the housing comprises two elements mounted on opposite sides of a hydraulic mounting member or center section. The pumps are mounted on one side of the hydraulic mounting member in a pump cavity, and... | 10/05/2010 |
| 7794212 | Multi-piston pump/compressor A pump/compressor that utilizes a wedge at a fixed angle to operate the pump's pistons at a fixed stroke. Alternatively the wedge can be moved axially to increase or decrease the clearance volume. Variable fluid flow at any clearance volume is achieved by rotating t... | 09/14/2010 |
| 7771175 | Variable displacement compressor A link mechanism provided between a lug plate and a cam plate in a variable displacement compressor includes a first transmitting portion for transmitting rotation of a lug plate to a cam plate and a second transmitting portion for transmitting compression reactive ... | 08/10/2010 |
| 7731485 | Reciprocating cylinder swash plate pump The invention relates to a hydraulic device having, in a housing, a rotor, which can rotate about a first axis, with pistons and chambers on both sides of the rotor, which can rotate about a second axis and are formed by a cylindrical wall and a piston. The cylindri... | 06/08/2010 |
| 7708531 | Axial piston device There is provided an axial piston device that includes a housing, a rotary shaft, a cylinder block, and a piston. The housing includes a housing body opened at a first end thereof and a plate disposed at the first end of the housing body. The rotary shaft is rotatab... | 05/04/2010 |
| 7695252 | Pump system and pump unit A pump system has a base unit and a pump unit. The base unit includes an input part operatively connected to a driving source and a plurality of output parts to which power is transmitted from the input part. The base unit is capable of being mounted to a support me... | 04/13/2010 |
| 7677871 | High-efficiency, large angle, variable displacement hydraulic pump/motor A variable displacement hydraulic/pump motor has a yoke with a pair of shafts aligned to define a yoke pivot axis and connected to a valve plate therebetween having intake and discharge apertures. A rotatable cylinder barrel has piston cylinders open at one end to r... | 03/16/2010 |
| 7658597 | Pump body with plunger pistons Pump with plunger pistons comprising a head (1) in which are formed the intake and delivery ducts (2, 3) and the respective intake and delivery valves, a pump body (4) associated with said head (1) in which drive means (8) of at le... | 02/09/2010 |
| 7635255 | Long piston hydraulic machines Smaller and lighter hydraulic pump/motors provide remarkably improved volumetric efficiency with pistons having body portions substantially as long as the axial length of the respective cylinders in which they reciprocate. A plurality of respective lubricating chann... | 12/22/2009 |
| 7632077 | Inclined plate-type compressors and air conditioning systems including such compressors An inclined plate-type compressor includes a cylinder head, a discharge chamber having an annular shape and disposed along an outer circumferential portion of the cylinder head, a suction chamber disposed at a central portion of the cylinder head, a valve plate incl... | 12/15/2009 |
| 7611337 | Hydraulic pump Pump, comprising a casing that is generally cup-shaped intended to be fixed to a driving motor (3), and containing a drive shaft (6) suitable for being coupled with said motor, and having a tilted surface for the actuation of one or more pistons (7 | 11/03/2009 |
| 7607897 | Reciprocating compressor A reciprocating compressor includes a cylinder block having formed therein a plurality of cylinders, pistons that make reciprocal movement inside the cylinders, a first cylinder head fixed to one end of the cylinder block via a valve plate, a second cylinder head fi... | 10/27/2009 |
| 7594802 | Large angle sliding valve plate pump/motor A pump/motor includes a back plate having first and second fluid ports configured to be differentially pressurized, first and second reaction plates rigidly coupled to the back plate, and a valve plate slideably coupled to the back plate and having first and second ... | 09/29/2009 |
