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| Number | Title | Issue Date |
| 7931125 | Shaft seal with lubrication device A shaft seal assembly for use with a reciprocating or rotating shaft includes a shaft seal, a lubricant-storing ring, and a retainer. The retainer and ring can be formed as a subassembly and then combined with a shaft seal. The seal includes an annular body portion,... | 04/26/2011 |
| 7878305 | Oil-bearing shaft that supplies lubrication to the components of a transmission An oil-bearing shaft (1) through which the lubrication for components of a transmission is provided, comprising at least one longitudinal bore hole (2) and at least one oil supply bore hole (2) with one longitudinal bore hole (2), each fl... | 02/01/2011 |
| 7866444 | Cascading oil flow bearing lubrication device A bearing lubrication system includes a stationary output shaft carrier housed within a gear housing wherein the output shaft resides partially within the carrier and upper and lower bearings support the shaft. The carrier includes first and second arcuately extendi... | 01/11/2011 |
| 7441529 | Pitot engine crankshaft oil pump The oil pump comprises an open ended conduit extending from a connecting rod journal to below the surface of oil in a crankcase. The conduit is bent and oriented such that the open end is tangential to the radius of crankshaft rotation and faces in the direction of ... | 10/28/2008 |
| 7438541 | Hermetic rotary compressor A hermetic rotary compressor operates two cylinders simultaneously in the regular operation; however it halts operating one of the cylinders when it selects an operation with a half capacity. A vane room of the halted cylinder is air-tightly sealed with respect to l... | 10/21/2008 |
| 7390180 | Oil pumping device of hermetic compressor A hermetic compressor uses an oil pump that includes a trochoid gear. Therefore, regardless of the rotation speed of a driving motor of the compressor, a sufficient amount of oil can always be pumped. The oil pump unit may include a plurality of suction holes with o... | 06/24/2008 |
| 7384250 | Oil discharge preventing apparatus of scroll compressor An oil discharge preventing apparatus of a scroll compressor comprises: a balance weight coupled to a rotor of a driving motor so as to offset an unbalance generated when an orbiting scroll performs an orbiting motion by receiving a rotation force of the driving mot... | 06/10/2008 |
| 7371058 | Oil feeding propeller of scroll compressor An oil feeding propeller of a scroll compressor for preventing deterioration of oil feeding generated when a rotation shaft is rotated in reverse is disclosed. The propeller is tightly fitted into the lower side of the oil passage of the rotation shaft, sucks oil in... | 05/13/2008 |
| 7367784 | Oil supply device for compressor in refrigerating system Oil supply device (130) for a compressor in a refrigerating system including a cylindrical piece (131) fixed to a lower end of a crankshaft (110) for rotating together with the crankshaft, a propeller (132) fitted inside of the piece for ... | 05/06/2008 |
| 7360361 | Turbocharger An electrically controlled turbocharger having a substantially vertically oriented shaft interconnecting a turbine and a compressor. The vertical orientation serves to eliminate the effects of gravity on the rotating components. Placing the turbine vertically above ... | 04/22/2008 |
| 7351045 | Rotational inhibitor for compressor lubricant A compressor comprises an oil storage provided in the bottom of a container body. An oil cup is fixed in communication with the oil storage. An oil pump is attached to the lower end of a shaft and inserted into the oil cup. A rotation inhibitor is provided including... | 04/01/2008 |
| 7329109 | Oil retention in scroll compressor pump members Oil retention recesses are formed on either or both orbiting and non-orbiting scroll elements. In one embodiment, the recesses are formed in a tip of a wrap of at least one of the scroll members. In another embodiment the recesses are formed on the base of at least ... | 02/12/2008 |
| 7322809 | Rotary compressor with sealing portions and oil-supply groove In a rotary compressor to perform oil supplying to bearings through a main oil-supply passage formed in a drive shaft by making use of pressure differential between high-level pressure and low-level pressure in the casing, sealing portions having air-tight structure... | 01/29/2008 |
| 7320658 | Rotating shaft support apparatus and differential gear unit In a lubrication groove, which is formed in an insertion hole into which is inserted an output shaft, and which winds around the circumference of the insertion hole while advancing in the axial direction of the insertion hole, there is a portion that is farther to t... | 01/22/2008 |
| 7316550 | Scroll compressor A scroll compressor, which allows refrigerant in a compressor chamber to be partially discharged so that frictions generated in frictional surfaces between an orbiting scroll and an Oldham ring and between the Oldham ring and a main frame may be decreased. Also, an ... | 01/08/2008 |
| 7300266 | Orbiting vane compressor incorporating orbiting vane with oil supply function Disclosed herein is an orbiting vane compressor incorporating an orbiting vane with oil supply function that is capable of performing more smooth orbiting movement. The orbiting vane has a compression unit comprising an orbiting vane having a boss formed in the cent... | 11/27/2007 |
| 7293970 | Two-stage rotary compressor An oil supply hole connecting an oil reservoir to a suction port formed in a lower supporting member of a two-stage rotary compressor is disclosed. The suction port is provided in the lower supporting member attached to the lower side of a high stage side rotary com... | 11/13/2007 |
| 7273132 | Method and apparatus for lubricating bearings on a vertical shaft in a gearbox A right angle gear box includes a plurality of channels for carrying lubricating fluids to one or more upper bearing. Fluids in the gear box are naturally pumped through the channels by the rotation of gears in the gear box. The area between the shaft and the extern... | 09/25/2007 |
| 7214044 | Compressor having an oil passage which one end is connected to oil collecting groove and other end is opened to cover end surface of bearing A compressor for suppressing leakage of lubricating oil has a casing, a motor and a scroll mechanism coupled to the motor by a drive shaft. The drive shaft is rotatably supported by a bearing. The lubricating oil is supplied between the drive shaft and the bearing. ... | 05/08/2007 |
| 7204680 | Oil supply device of scroll compressor An oil supply device of a scroll compressor includes a pumping unit mounted at a lower side of a rotating shaft and pumping oil stored at a lower portion of a casing according to rotation of the rotating shaft; an oil supply passage formed in a longitudinal directio... | 04/17/2007 |
| 7186100 | Variable capacity rotary compressor A variable capacity rotary compressor allowing oil to be smoothly supplied to compressing elements, regardless of a rotating direction of a rotating shaft. The variable capacity rotary compressor includes a rotating shaft which is rotated in a forward direction or a... | 03/06/2007 |
| 7144229 | Sealed type electrically driven compressor A hermetic electric compressor is capable of efficiently pumping up a necessary amount of lubricating oil even at low-speed rotation and has a simple constitution to provide an excellent workablity in assembling. The hermetic electric compressor includes an oil pump... | 12/05/2006 |
| 7134854 | Oil recycling apparatus for compressor An oil recycling apparatus for compressor includes an oil baffle plate around a scroll unit of the compressor. A working gas flowed back to the scroll unit will impinge the oil baffle plate and is condensed. The condensed oil gas is attached to the oil baffle plate ... | 11/14/2006 |
| 7112046 | Scroll compressor for refrigerant The invention relates to a compressor for refrigerant, comprising: an outer housing; a scroll compressor which is disposed in the outer housing; an outlet, which is located in the base of the stationary compressor body and which leads to a high pressure chamber in t... | 09/26/2006 |
| 7111404 | Shield apparatus for power trimmer A shield apparatus for use with a powered vegetation trimmer of the type including a trimmer head assembly having an output shaft and a cutting mechanism rotatable with the output shaft. The shield apparatus is mounted coaxially about the output shaft between the cu... | 09/26/2006 |
| 7065990 | High contact conical bow The handcuff assembly includes a bow pivotally connected to a cheek plate frame assembly which includes a unitized frame that is die stamped from a metal plate and which is overmolded with a polymer overmold. The bow and arcuate cheek arms engage a wrist of a person... | 06/27/2006 |
| 7044723 | Scroll compressor having a throttle pin moving in the longitudinal hole of the oil supply passage A scroll compressor supplies an optimum quantity of lubricating oil to a refrigerant compressing section and restrains a decrease in compression efficiency caused by gas leakage. An oil supply passage (35) whose discharge port is open to a joint surface of a ... | 05/16/2006 |
| 7044717 | Lubrication of a hermetic carbon dioxide compressor A hermetic compressor which uses carbon dioxide as the working fluid. The compressor includes a motor and a compression mechanism operatively coupled by a drive shaft supported by a bearing. The drive shaft includes a radially extending bore in fluid communication w... | 05/16/2006 |
| 7021425 | Closed type electric compressor A sealed electric compressor for use in, for example, an electric refrigerator, generates a little noise and can feed any moving part of its compressing element with refrigerator lubricant. An oil pickup tube is joined by insertion to the lowermost end of a crank sh... | 04/04/2006 |
| 7018185 | Liquid recovery method and system for compression mechanism Lubricating liquid fed from a reservoir to a compression mechanism is collected by a circumferential wall that surrounds the drive shaft of the compression mechanism and rotates synchronously with it immediately after liquid is discharged into the space inside the h... | 03/28/2006 |
| 7000734 | Lubricating device A rod body (30) is formed of magnetostrictive material and includes one end portion (30a) fixed, and a piston (35) is fixed to the other end portion (30b) of the rod body (30). The piston (35) is slidably dispo... | 02/21/2006 |
| 6988980 | Separator with bearing lubrication arrangement A separator comprising a centrifugal drum driven by a centric spindle mounted with at least one axial bearing on a machine frame and a barrier chamber for hydrohermetic sealing an oil layer inside the barrier chamber. The barrier chamber has an immersion plate there... | 01/24/2006 |
| 6960070 | Compressor In order to improve a compressor for refrigerant, comprising an outer housing, a scroll compressor arranged in the outer housing and having a first compressor member arranged stationarily in the outer housing and a second compressor member which is movable relative ... | 11/01/2005 |
| 6953330 | Scroll vacuum pump A scroll vacuum pump has an orbiting scroll and fixed scrolls. The orbiting scroll is rotatably mounted to an eccentric portion of a driving shaft and revolved by the driving shaft, so that a gas is sucked into a compression chamber between the orbiting scroll and f... | 10/11/2005 |
| 6935293 | Oil circuit for twin cam internal combustion engine An engine having an oil circuit and method of communicating oil within an engine are disclosed. The engine includes a crankcase, a pump, and a camshaft having a first channel extending between first and second ends of the camshaft, where lubricant is provided from t... | 08/30/2005 |
| 6872062 | Scroll compressor To provide a scroll compressor that has a lower sliding friction loss and high compression efficiency, taking the diameter of a main shaft (61) as Dm and the diameter of a crank shaft (62) as Dc, the crank shaft (62) formed at one end of the mai... | 03/29/2005 |
| 6854955 | Internal lubrication screw pump for hollow shaft A rotary machine is provided, such as an electromechanical device, that includes a housing having a lubricating oil disposed within the housing. A shaft is rotatable about an axis relative to the housing. The shaft has a passage extending to an end portion of the sh... | 02/15/2005 |
| 6840747 | Positive-displacement oil pump A positive-displacement oil pump is disclosed. In the oil pump, an insert body is fitted into a central opening of a shaft body to a height of an oil-feeding hole. The insert body is rotated along with the shaft body, and includes a central hole formed in the insert... | 01/11/2005 |
| 6796860 | Lubricant pump seal for outboard motor A lubricant pump seal for an outboard motor is provided. The lubricant pump seal comprises a first sealing body in an upper clearance formed between an upper through hole of a lubricant pump casing and a driveshaft extending through the upper through hole, a second ... | 09/28/2004 |
| 6752608 | Compressor crankshaft with bearing sleeve and assembly method A compressor assembly having a drive shaft supported by a main bearing and an outboard bearing located on opposite axial ends of a cylinder block. The main bearing has a bearing support formed therein in which first and second apertures are defined. The diameter of ... | 06/22/2004 |
