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| Number | Title | Issue Date |
| 7493915 | Discharge valve for compressor Disclosed herein is a discharge valve for a compressor. The discharge valve comprises a valve plate for opening or closing a discharge port, a valve spring positioned downstream from the valve plate and adapted to provide elasticity to the valve plate, and a retaine... | 02/24/2009 |
| 7413421 | Multi-cylinder reciprocating compressor A multi-cylinder reciprocating compressor has a plurality of compression chambers and a plurality of discharge valve devices associated with the respective compression chambers. Each discharge valve device includes a valve reed for opening and closing a correspondin... | 08/19/2008 |
| 7364413 | Reciprocating compressor with enlarged valve seat area A reciprocating compressor is provided with a discharge valve having an area inward of a valve seat which is greater than the area of the discharge port. The valve seat also has a distinct shape compared to the valve port in preferred embodiments. The increased area... | 04/29/2008 |
| 7347318 | Image forming device An image forming device includes: a main unit; an image bearing body; a belt unit; and a tension-applying mechanism. The belt unit is detachably mounted in the main unit and has a pair of supporting rollers supporting an endless belt thereon. The endless belt has an... | 03/25/2008 |
| 7311119 | Valve apparatus A valve apparatus is small, and regulates a fuel amount by restricting a lift amount of a valve. A columnar portion is formed on a pump body. The columnar portion is inserted into a check valve and a washer formed with a protruding portion which protrudes outward fr... | 12/25/2007 |
| 7284971 | Hermetic compressor A hermetic compressor comprising a discharge valve, and a stopper for restricting an opening degree of the discharge valve. The discharge valve includes a body portion configured to cover a discharge port formed at a valve plate, and a first protrusion extending fro... | 10/23/2007 |
| 7284572 | Valve A plate valve, especially for diaphragm pumps, having a valve plate (8), a valve seat (15), and a valve chamber bounded by a valve housing is provided, with the valve plate being held at the edges thereof. The valve plate (8) is preset under ten... | 10/23/2007 |
| 7232294 | Compressor having a discharge valve mechanism including a valve retainer having a specially-designed curved surface In a compressor having a discharge valve mechanism, a valve retainer has a curved surface which is faced to and spaced from a movable portion of a flexible plate-like discharge valve and adapted to limit the movement of the movable portion. In a first direction para... | 06/19/2007 |
| 7222641 | Snap-in flapper valve assembly A flapper valve snaps into position in an inlet or outlet manifold of a heat exchanger to provide by-pass flow in cold flow or pressure spike conditions. The flapper valve includes a cradle having opposed spring fingers for retaining the valve in position. The cradl... | 05/29/2007 |
| 7210912 | Reciprocating piston compressor having improved noise attenuation A reciprocating piston compressor having a suction muffler and a pair of discharge mufflers to attenuate noise created by the primary pumping frequency in the primary pumping pulse. The suction muffler is disposed along a suction tube extending between the motor cap... | 05/01/2007 |
| 7201189 | Reed valve and reed valve assembly A reed valve having a plate shaped support substrate with a valve hole formed in a central section passing through in a plate thickness direction is provided. A flexible plate-shaped reed covering the valve hole at one surface of the support substrate and having one... | 04/10/2007 |
| 7198475 | Valve assembly in hermetic compressor A valve assembly of hermetic compressor is disclosed, in which a valve insertion groove (44) and (45) are formed. The valve insertion groove (44) includes a suction opening (42) on a head (40) provided between a cylinder (5)... | 04/03/2007 |
| 7186095 | Compressor mounting bracket and method of making A mounting bracket for a compressor. The mounting bracket includes a mounting member and an elongate bracing member. The mounting member is secured to the housing of the compressor has a central support section in substantial registry with the housing. The mounting ... | 03/06/2007 |
| 7163383 | Compressor having alignment bushings and assembly method A compressor assembly including a compression mechanism having a main bearing and a plurality of first pilot holes, and an electric motor comprising a rotor disposed within a stator. The stator has a plurality of second and third pilot holes. Each of the first pilot... | 01/16/2007 |
| 7083400 | Valve arrangement for a small hermetic compressor A suction and discharge valve arrangement for a small hermetic compressor of the type presenting a compression cylinder (1), which has an end closed by a valve plate (10) and which has a suction pipe (5) adjacent to the valve plate (10) a... | 08/01/2006 |
| 7066296 | Valve device for silencer A valve device for a silence opens a bypass passage provided in the silencer to flow exhaust gas through the bypass passage when exhaust gas pressure rises to a certain pressure. The valve device includes a base having a valve opening through which exhaust gas flows... | 06/27/2006 |
| 7059344 | Discharge valve mechanism for variable displacement compressor A discharge valve mechanism has a plurality of discharge openings. The discharge openings are placed in an open or closed state by a plate-like valve element. Each of the discharge openings is formed at a respective location between a base end side and a leading end... | 06/13/2006 |
| 7033151 | Check valve of scroll compressor A check valve of a scroll compressor which has a driving unit inserted in a casing and generating a driving force and a compression unit consisting of an orbiting scroll and fixed scroll for compressing and discharging fluid when the driving unit is driven, includes... | 04/25/2006 |
| 7028689 | Filtering face mask that uses an exhalation valve that has a multi-layered flexible flap A filtering face mask that includes a mask body and an exhalation valve. The mask body is adapted to fit at least over the nose and mouth of a wearer to create an interior gas space when worn, and the exhalation valve is in fluid communication with the interior gas ... | 04/18/2006 |
| 7028649 | High flow reed valve assembly for a two-cycle engine A reed valve assembly in certain embodiments of the present teachings may include one or more of the following features: (a) a W shaped reed cage assembly having at least two reed cages, each reed cage having outer air ports and inner air ports wherein the inner air... | 04/18/2006 |
| 7018183 | Compressor having discharge valve A compressor having a discharge valve. The discharge valve is mounted to the fixed scroll of a scroll compressor using a C-shaped clamp. The clamp is secured using a threaded fastener which extends through the clamp at a position between the two legs of the clamp. T... | 03/28/2006 |
| 7014433 | Shaped valve seats in displacement compressors A valve assembly including a valve seat and a valve member movable relative to the valve seat between an open position and a closed position and defining in the closed position a high pressure side and a low pressure side, the valve member further being deformable t... | 03/21/2006 |
| 7011111 | Sealing elements for compressor valves In sealing elements (3, 3′, 3″) for automatic compressor valves, composed of synthetic material (12) having embedded fiber reinforcement (11), the fiber reinforcement (11) and/or the surrounding synthetic material (12) in the f... | 03/14/2006 |
| 6953051 | Valve plate structure Disclosed is a valve plate structure comprising: a suction valve for inhaling a low pressure of coolant through a linear reciprocating movement of a piston and an opening and closing operation in response to the back-and-forth movement; a valve plate coupled with th... | 10/11/2005 |
| 6942472 | Head pressure relief assembly A head pressure relief assembly for relieving pressure in the head assembly of an air compressor may include an exhaust valve post formed in the head assembly and an exhaust valve assembly comprised of a flapper valve. An aperture may be formed through the exhaust v... | 09/13/2005 |
| 6932115 | Valve apparatus for hermetic compressor The present invention relates to a valve apparatus for a hermetic compressor. In the present invention, an elastic lead (40) is integrally formed with a discharge valve (30) in order to reduce striking force generated when the discharge valve (30 | 08/23/2005 |
| 6932585 | Cylinder assembly of hermetic compressor A cylinder assembly of a hermetic compressor has a valve plate disposed on an outer side of a cylinder block to cover an open side of a cylinder, the valve plate defines a refrigerant discharge hole therethrough which is adapted to discharge a compressed refrigerant... | 08/23/2005 |
| 6929456 | Valve assembly for reciprocating compressors A valve assembly for the reciprocating compressors, elements of which are easily and simply assembled into a single body, and which reduces operational impact and noise caused by an operation of a reed valve, thus allowing a silent operation of the reciprocating com... | 08/16/2005 |
| 6893233 | Noise reducing cylinder assembly for compressor A cylinder assembly for a hermetic compressor is capable of reducing impulse and noise that is generated by a contact of a valve plate and a suction valve when the suction valve is closed. The cylinder assembly has a cylinder block having a cylinder formed therein; ... | 05/17/2005 |
| 6823896 | Valve assembly of a reciprocal compressor A valve assembly of a close-type reciprocal compressor. The valve assembly includes a valve plate disposed between a cylinder body and a cylinder head, a reed valve for opening and sealing a refrigerant discharge hole formed at the valve plate, a first stopper for r... | 11/30/2004 |
| 6789575 | High efficient valve assembly of compressor A high efficient valve assembly of a compressor has a valve plate having more than one discharging valve; a discharging valve for opening and closing the discharging valve, one end of the discharging valve is settled at the valve plate between the valve plate and a ... | 09/14/2004 |
| 6772792 | Compressor valve assembly The valve assembly includes a valve plate having a refrigerant discharging hole, a discharging valve having one end that is settled at the valve plate for opening and closing the refrigerant discharging hole, a keeper, placed at above the discharging valve, having o... | 08/10/2004 |
| 6766823 | Valve apparatus for hermetic compressor A valve apparatus for a hermetic compressor including a valve plate having a refrigerant discharging hole for discharging a refrigerant, a discharging valve having one end fixed at the valve plate and another end for opening and closing the refrigerant discharging h... | 07/27/2004 |
| 6705348 | Check valve A check valve is provided and has a housing having inlet and outlet openings and comprising two essentially planar plate portions. A thin steel plate that acts as a valve is disposed between the plate portions. Under the effective pressure, the valve opens in one di... | 03/16/2004 |
| 6701961 | Reed valve A reed valve includes a vibration suppressing member for suppressing transmission of vibration, caused due to opening and closing operations of a reed piece, to a fixed mounting portion of an engine part to which the reed valve is mounted. The vibration s... | 03/09/2004 |
| 6679688 | Reed valve restriction plate with anti-sticking means A refrigerant compressor has a member forming a compression chamber with a discharge port and a discharge reed valve. The reed valve has a valve cover portion at one end for opening and closing the discharge port and a portion at another end that is fixed... | 01/20/2004 |
| 6659742 | Directional flow valve structure for reciprocating compressors A refrigerant compressor includes a front housing, a cylinder block, a rear housing, and a valve plate positioned between the cylinder block and the rear housing, in which the valve plate has a suction hole formed therethrough. The compressor also include... | 12/09/2003 |
| 6609535 | Reed valve and method of making same A reed valve includes a generally wedge shaped reed cage or block defining a fluid flow passage and having substantially coplanar discharge ports. A reed is mounted at a common hinge end to the reed cage and has a plurality of petals each of which overlie... | 08/26/2003 |
| 6592346 | Compressor discharge valve A compressor includes a particularly shaped discharge valve which extends into the discharge port. The shaped valve includes a convex portion on the seat side of the valve which extends downwardly into the discharge port. The shaped valve furthermore incl... | 07/15/2003 |
| 6575190 | Non-return valve for fuel tank A non-return valve for a fuel tank, the valve comprising a substantially tubular body and a deformable shutter member fixed to said body, said shutter member being formed integrally by molding a plastics material and being shaped in such a manner as to re... | 06/10/2003 |
