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| Number | Title | Issue Date |
| 7882779 | Variable displacement inclined plate type compressor A variable displacement inclined plate type compressor comprising a spindle, an inclined plate provided to be inclinable relative to the spindle and rotating together with the spindle, a pair of shoes arranged to hold the inclined plate therebetween, and a piston co... | 02/08/2011 |
| 7849783 | Plastic shoes for compressors Embodiments of the present invention are disclosed herein. One embodiment of a bearing for a piston engine has a bearing made of a plastic material and having a substantially planar base and a substantially hemispherical portion. The base is configured to engage wit... | 12/14/2010 |
| 7765917 | Air compressor An air compressor that employs splash lubrication to lubricate and cool a piston kit that includes a cylinder and a piston reciprocating in the cylinder. In one form, cooling channels can be coupled to or formed on the cylinder to direct the lubricant that is splash... | 08/03/2010 |
| 7325477 | Device for reducing energy losses in a machinery unit The present invention relates to a device for reducing energy losses in a machinery unit (1), having at least one part (4) which is arranged to rotate in fluid about a rotation axis (6) in a substantially closed chamber (3) delimited in t... | 02/05/2008 |
| 7308849 | High-pressure pump, in particular for a fuel injection device of an internal combustion engine A high-pressure pump has at least one pump element including a pump piston defining a work chamber and driven at least indirectly by a drive shaft in a reciprocating motion, counter to the force of a restoring spring. The pump piston is braced on the drive shaft at ... | 12/18/2007 |
| 7267045 | Internal combustion engine In an internal combustion engine for a motor vehicle, having a piston bearing surface divided into regions of different loading and having recesses for retaining lubricant arranged at distances which are shorter in regions of high loading than in regions of lower lo... | 09/11/2007 |
| 7246551 | Liquid handling device with surface features at a seal A sample handling tool includes a body having at least one plunger associated with a channel and arranged for axial movement within the channel. A seal is provided in the channel and sealingly engaged with a contact surface. The contact surface may include a surface... | 07/24/2007 |
| 7228786 | Engine piston-pin sliding structure An engine piston-pin sliding structure includes a piston pin slidably engaged into a pin boss of an engine piston and having a base and a hard carbon coating formed on the base so as to define a sliding surface slidable over a bearing surface of the pin boss and a l... | 06/12/2007 |
| 7225724 | Hermetic compressor A hermetic compressor capable of preventing malfunction due to impurities trapped between contact portions of a crankshaft and a crankshaft supporting frame when the crankshaft rotates in a hollow portion of the frame. The hermetic compressor comprises the frame hav... | 06/05/2007 |
| 7207537 | Support apparatus for suspending a display A support apparatus for suspending a display has a holder with a first end pivotally mounted on a ceiling, an arm pivotally connected to a second end of the holder, a redirector pivotally mounted on the arm, and a seat pivotally mounted on the redirector. Whereby, a... | 04/24/2007 |
| 7178450 | Sealing system for a compressor A compressor includes a housing and a drive shaft extending along a longitudinal axis and rotatably supported by the housing. A pocket is defined in the drive shaft and extends to a bottom portion having a diameter smaller than a diameter of the pocket. A pair of se... | 02/20/2007 |
| 7174827 | Mounting clip for thrust bearing A compressor assembly comprising a housing having a shaft bore therein, a main shaft positioned for rotation within the shaft bore, at least one roller thrust bearing and a thurst surface bearing clip. The thrust surface bearing clip comprises a first position confi... | 02/13/2007 |
| 7118324 | COcompressor A CO2 compressor for an air conditioner of a motor vehicle is suggested having a sealing device, assigned to the driveshaft of the CO2 compressor, which is implemented as a sliding ring. The CO2 compressor features a lubrication devi... | 10/10/2006 |
| 7114434 | Reciprocating compressor A reciprocating compressor, comprising a cylinder block (1) having a cylinder bore (12) formed therein, a rear head (3) fixed to the cylinder block through a valve plate (2) and having a suction chamber (26) and a discharge chamber... | 10/03/2006 |
| 7104240 | Internal combustion engine with localized lubrication control of combustion cylinders An internal combustion engine includes at least one cylinder block having at least one combustion cylinder. A number of cylinder liners are respectively associated with each combustion cylinder. Each cylinder liner defines a corresponding cylinder inside surface. Ea... | 09/12/2006 |
| 7097435 | Device for draining and recharging a hermetic compressor with oil A method of draining and recharging a hermetic compressor with oil using a drainage assembly mounted in the compressor housing. The assembly includes a tube having a valve mounted at one end thereof with the second end of the tube located in the oil sump of the hous... | 08/29/2006 |
| 7086152 | Engine piston and manufacture thereof A method of forming a low-friction, helically ridged skirt surface of an engine piston comprises cutting a continuous groove in a piston body rotating about axis so that adjacent groove turns intersect as ridges and carry lubricating oil which forms a film on the ri... | 08/08/2006 |
| 7070017 | Rotating apparatus for construction machine A swing mechanism for a construction machine having a grease bath seal. A grease bath can be disposed on a vehicular base carrier of the machine, and can be coupled with a swing frame. The grease bath seal can then act to prevent intrusion of pollutants or other for... | 07/04/2006 |
| 7021190 | Rack and pinion steering gear with integral support bearing A rack and pinion steering apparatus (10) comprises a first bearing surface (38) that is formed on a surface (36) that defines a passage (24) in housing (12). An input assembly (120) that includes a first portion (124... | 04/04/2006 |
| 7021609 | Gas spring A gas spring has a cylinder body, a rod member internally slidably fitted in the cylinder body, and a gas chamber which is formed inside the cylinder body and filled with compressed gas. The seal members for sealing between the cylinder body and the rod member are d... | 04/04/2006 |
| 7011012 | Fluid pump A high-pressure fuel pump for internal combustion engines with direct injection includes a housing with a drive chamber in the housing and an eccentric shaft disposed in the drive chamber. A pumping element can be set into a reciprocating motion via the eccentric sh... | 03/14/2006 |
| 6983680 | 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... | 01/10/2006 |
| 6976419 | Surface pit forming method and member with surface pit A forming method is provided that has surface pits, and the formed product thereof including a member adjust step for obtaining a member having a surface layer portion constructed by weak portions and high strength portion of relatively higher strength than the weak... | 12/20/2005 |
| 6941853 | Pump diaphragm rupture detection A hydraulically driven pump includes a first chamber exposed to a process fluid, a second chamber configured to retain a hydraulic fluid, and a multi-layer diaphragm positioned between the first and second chambers. The diaphragm includes a first layer in contact wi... | 09/13/2005 |
| 6928922 | Lubricating structure for hydraulic driving apparatus Seal sections, which support first and second piston rods, are provided on inner circumferential surfaces of first and second cover members of a cylinder mechanism. A lubricant is supplied via supply passages and oil supply ports to first oil-retaining members, whic... | 08/16/2005 |
| 6901845 | Porous restrictor for gas bearing A gas restrictor particularly usrful for applicatio in gas bearing as used, for example, in free-piston Striling cycle machinery. Porous strip material together with a backing plate and orifice (bleed hole) is used to provide the restriction to the flow of gas into ... | 06/07/2005 |
| 6889665 | High pressure pump for a fuel system of an internal combustion engine, and a fuel system and internal combustion engine employing the pump A high-pressure piston pump for a fuel system of an internal combustion engine, includes a housing, a piston, which defines a working chamber, and drive shaft having at least one crank section and supported in the housing by means of at least one shaft bearing. A pi... | 05/10/2005 |
| 6868773 | Fluidic actuator A fluidic actuator includes a central elastic tube with an interior bore and a surrounding sheath formed of braided fibers. End fittings are attached to the tube and sheath at first and second ends thereof and include a cap with a hollow cavity into which an end sec... | 03/22/2005 |
| 6751955 | Stirling engine with swashplate actuator A hydraulic actuator for a multicylinder Stirling engine provided to enable modulation of the displacement of the engine. The hydraulic actuator incorporates a rotary vane configuration which provides relative rotational adjustment between components of a swashplate... | 06/22/2004 |
| 6745742 | Connecting rod structure An engine having a connecting rod, a piston and a crankshaft is provided. The connecting rod extends between to connect the piston and the crankshaft. The connecting rod has formed therethrough at least one hole which provides a lubrication path to an interface betw... | 06/08/2004 |
| 6722864 | Fuel injection pump In a fuel injection pump, fuel pressurized by a feed pump is supplied to an accommodation chamber via a communication path having an orifice. An end of the communication chamber on a side of the accommodation chamber is positioned to face an axial end of a minute sp... | 04/20/2004 |
| 6681682 | Hydraulic cylinder A single-acting type hydraulic cylinder which is operated to be expanded and contracted by supply and discharge of liquid pressure from a so-called bottom side, in which the desired operation is permanently secured without bringing forth abrasion of a bus... | 01/27/2004 |
| 6663361 | Subsea chemical injection pump A chemical injection pump for injecting chemicals into subsea system at depths up to 10,000 feet is described which uses a minimum of moving parts by employing an actuator, for instance a solenoid, to power a double acting actuator rod and plungers thereo... | 12/16/2003 |
| 6644172 | Sliding device A semi-spherical shoe 1 includes a semi-spherical surface 1A and a flat end face 1B. The semi-spherical surface 1A comprises a sliding contact region 1a which is disposed in sliding contact with a semi-spherical recess 2B formed in a piston 2, and a lead-... | 11/11/2003 |
| 6644263 | Engine with dry sump lubrication An internal combustion engine having an improved lubrication system. Upper and lower seals are mounted around the piston to define an annular oil chamber in cooperation with the piston and the cylinder. For four-cycle engines, a compression ring may act a... | 11/11/2003 |
| 6615705 | Hydraulic cylinder A hydraulic cylinder (10), especially as a pit prop or moving cylinder unit in underground mining, with a locking ring (16) arranged on an outer cylinder tube (11) sealing it at its end with a lead through for an axially movable rod element (12; 13) accom... | 09/09/2003 |
| 6581507 | Single-headed piston type swash plate compressor A single-headed piston type swash plate compressor able to prevent wear of a coating when using a swash plate having a coating on a swash plate substrate to improve the slidability and in turn able to exhibit greater durability, wherein the swash plate is... | 06/24/2003 |
| 6523455 | Compressor having an oil collection groove A swashplate-type compressor is provided. The compressor has a housing member that defines a plurality of grooves having features that allow the grooves to direct lubricating oil splashed against the housing member toward a central opening that houses a b... | 02/25/2003 |
| 6481979 | Lubrication passage and nozzle for swash plate type compressor A variable displacement swash plate type compressor which incorporates a lubrication passage formed in a cylinder block and crankcase, and a spray nozzle disposed at the crankcase end of the lubrication passage. The lubrication passage provides fluid comm... | 11/19/2002 |
| 6431841 | Compressor with a part of a spring chamber in a rear housing A compressor is provided in which the arrangement and the position of a spring chamber, in which a coil spring biasing a main shaft is accommodated, are designed and the various designs of the compressor is possible. The compressor comprises a main shaft ... | 08/13/2002 |
