Did You Know...
...In 1790, the cost to obtain a patent was between $4 and $5.
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 |
| 8167595 | Inlet screen and scroll compressor incorporating same A suction screen member is provided that bridges the inlet port and entrance port between a compressor housing and a suction duct in a scroll compressor. The suction screen member also serves to screen fluid entering the scroll compressor to prevent particulates fro... | 05/01/2012 |
| 8162636 | Scroll compressor having partition wall in oil reservoir A scroll type compressor has a fixed scroll member, a movable scroll member, an oil reservoir, a back-pressure chamber, an oil extraction passage, a flow passage, and a partition wall. The back-pressure chamber disposed behind the movable scroll member is in communi... | 04/24/2012 |
| 8133043 | Suction duct and scroll compressor incorporating same A scroll compressor and assembly includes a suction duct to direct refrigerant from the housing inlet to a location upstream of a motor. Additionally, the suction duct includes drain ports that act to drain oil received in the suction duct into the oil sump. This ca... | 03/13/2012 |
| 8118577 | Scroll compressor having optimized cylinder oil circulation rate of lubricant A scroll compressor (CP) in which the cylinder oil circulation rate of lubricant is optimized during the operation to improve the compression efficiency is provided. In the scroll compressor (CP) having a stepped shape, the cylinder oil circulation rate of lubricant... | 02/21/2012 |
| 8096793 | Ductile cast iron scroll compressor A scroll compressor includes a scroll member having a base and a generally spiral wrap that extends from the base to define a portion of a compression chamber. The scroll member is made of a cast iron material comprising a microstructure having graphite nodules.... | 01/17/2012 |
| 8029255 | Lubricating oil circulating device for compressor It provides at a low price a compressor capable of preventing a waste oil pipe from falling off and curbing leakage of lubricating oil and oscillation of the pipe. An L-shaped waste oil pipe 8 for returning lubricating oil 20 to a bottom of a motor cha... | 10/04/2011 |
| 7862313 | Compressor and oil separating device therefor A compressor and an oil separating device therefor are provided which are capable of always maintaining a predetermined amount of oil in the compressor without additionally providing an oil separating device along a refrigerating cycle system. This results in the re... | 01/04/2011 |
| 7771180 | Compressor and oil separation device therefor A compressor and oil separation device therefore are provided. The oil separation device is integrated with a compressor and includes a first case having a refrigerant inlet into which a refrigerant mixed with oil is sucked and an oil recollecting member through whi... | 08/10/2010 |
| 7766632 | Scroll compressor with improved oil flow pathways A scroll-type compressor includes a compression unit, a main frame supporting the compression unit, and a driving shaft having an oil supply path. The oil supply path is located eccentrically with the driving shaft and an upper part of the driving shaft is supported... | 08/03/2010 |
| 7748969 | Foam reduction device for a compressor A foam control device includes a first member coupled to an oil reservoir of a compressor and a second member to prevent foam from flowing into an interior section of the compressor. when a shaft of the compressor rotates. The second member controls a position of th... | 07/06/2010 |
| 7744357 | Scroll compressor A scroll compressor includes a fixed scroll, an orbiting scroll orbiting the fixed scroll to perform compression on a refrigerant, a discharge cover provided at an upper end of the fixed scroll and guiding discharge of a compressed refrigerant, a first discharge cha... | 06/29/2010 |
| 7736136 | Compressor including separation tube engagement mechanism The present invention provides a compressor capable of arranging a refrigerant discharge port regardless of the location of a separation chamber. In this compressor, a separation tube is pressed in through an opening of the separation chamber, and by engaging a regu... | 06/15/2010 |
| 7736137 | Scroll Compressor A scroll compressor, wherein a guide passage facing the supply passage of a fixed side substrate part is formed at the outer peripheral portion of a fixed scroll engaged with a movable scroll along the axial direction of the fixed scroll. A lubricating oil is stored... | 06/15/2010 |
| 7731486 | Compressor with dual pathways for returning lubricating oil This invention provides a compressor that can efficiently return lubricating oil through an oil storage chamber to a lubrication target site without residence of the lubricating oil within the discharge chamber and can prevent deterioration in lubrication performanc... | 06/08/2010 |
| 7708536 | Scroll-type refrigerant compressor having fluid flowing from gas inlet to motor winding end chamber through intermediate jacket A scroll-type refrigerant compressor with a sealed enclosure defined by a shell and containing a suction volume and a compression volume at opposite ends of the enclosure. The shell has a gas inlet, an electric motor on the suction side having a stator and defining ... | 05/04/2010 |
| 7708537 | Fluid separator for a compressor A fluid separator for a compressor is disclosed including a hollow main body having an annular flange and an annular collar formed thereon, wherein the annular collar includes an annular array of apertures formed therein for separating a liquid from a fluid and atte... | 05/04/2010 |
| 7674099 | Compressor with oil bypass An oil lubricated compressor which includes a bypass oil line connecting respective oil paths upstream and downstream of the motor. The bypass oil path permits oil to be detoured around the motor in a tube that is external to the compressor shell and flows back into... | 03/09/2010 |
| 7670120 | Scroll-type refrigerant compressor having fluid communication between lubrication duct and return duct A scroll-type refrigerant compressor includes a drive shaft with an off-axis lubrication conduit which is supplied with oil from an oil pan located in the lower part of the compressor by an oil pump that is disposed at a first end of the shaft. The lubrication condu... | 03/02/2010 |
| 7628593 | Horizontal type scroll compressor including a first space and a second space A horizontal type scroll compressor is provided with a support plate separating an inside of the sealed container into a first space in which the compressor mechanism portion and the electric motor portion are stored, and a second space in which the discharge pipe i... | 12/08/2009 |
| 7578664 | Oil supply structure of scroll compressor Disclosed herein is an oil supply structure of a scroll compressor. The oil supply structure is provided to prevent a slender hole of an oil supply screw from being clogged with sludge, the oil supply screw being provided between a backpressure space, which is defin... | 08/25/2009 |
| 7566210 | Horizontal scroll compressor A horizontal scroll-type compressor utilizes the pressure differential between the discharge pressure and the suction pressure to route lubricant from the discharge chamber to the components within the intake chamber. The compressor may utilize a lubricant separator... | 07/28/2009 |
| 7556483 | Electronic compressor having a reservoir chamber and an oil return passage for connecting the reservoir chamber with a suction chamber A compressor housing defines a motor accommodating chamber. The pressure in the motor accommodating chamber is equal to the pressure in a suction chamber. A first reservoir chamber is located in a discharge chamber. A second reservoir chamber is defined about the di... | 07/07/2009 |
| 7556482 | Scroll compressor with enhanced lubrication Lubrication of bearing surfaces in a scroll compressor is enhanced by a vent arrangement which makes use of increased centrifugal force, achieved by locating the outlet of the vent arrangement radially outside of the nominal circumference of the compressor's drive s... | 07/07/2009 |
| 7481632 | Scroll compressor with an oil passage plug to limit oil flow A scroll compressor is provided with an orifice plug inserted into an oil passage. The plug has an opening which is positioned to restrict the flow of oil through the passage, and in particular at higher speeds. The opening is formed at an outer periphery of the plu... | 01/27/2009 |
| 7473083 | Oil separating device for compressor A scroll compressor including an oil separator is provided. The oil separator may be provided with a rotor or a shaft of a driving motor of the compressor so that refrigerant gas and oil discharged from a compression chamber may be separated by a centrifugal force. ... | 01/06/2009 |
| 7458789 | Scroll compressor According to the present invention, an oil supply passage is formed in a suction space of a fixed scroll part, and an oil collision part is provided in the suction space. The oil collision part is provided in the suction space, an amount of oil to be supplied is con... | 12/02/2008 |
| 7442018 | Compressor having an oil residue pool A compressor comprises, in a container body, an electric element, and a compressive element driven by the electric element. An oil storage is provided in the bottom, and an oil pump is provided to suck up oil from the oil storage. The oil pump includes a cylinder fi... | 10/28/2008 |
| 7438536 | Compressors including a plurality of oil storage chambers which are in fluid communication with each other The present invention provides a compressor capable of supplying a lubricating oil stably to the refrigerant suction side of a compression section even if a lubricating oil is discharged into an oil storage chamber with great force. In this compressor, the oil stora... | 10/21/2008 |
| 7438539 | Hermetic type scroll compressor and refrigerating and air-conditioning apparatus A hermetic type scroll compressor according to the invention includes a scroll compressor element in which an end plate of a orbiting scroll and an end plate of a fixed scroll are assembled such that they slide against each other, an electric motor element which dri... | 10/21/2008 |
| 7413423 | Compressor having a lubrication shield A cup-shaped shield surrounds a counter weight on the lower end of a rotor of the refrigeration compressor. The shield advantageously restricts lubricant flow to the rotating lower end of the rotor whereby power consumption of the motor is reduced. The shield may be... | 08/19/2008 |
| 7413422 | Compressor including pressure relief mechanism A scroll compressor is provided with a housing having a discharge chamber to which a high-pressure refrigerant is discharged from a scroll unit, a discharge path connecting the discharge chamber and an outlet port 78 of the housing, a separating device arrang... | 08/19/2008 |
| 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 |
| RE40344 | Scroll machine with ported orbiting scroll member A scroll compressor includes a fluid injection system. The fluid injection system includes a fluid passage which extends from a position outside of the shell of the compressor to the fluid pockets created by the wraps of the scroll members. The fluid passage extends... | 05/27/2008 |
| 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 |
| 7371059 | Scroll compressor with discharge valve A scroll compressor utilizes scroll wrap profiles which are designed with a rapid compression scroll wrap profile. This profile utilizes a shorter wrap and lower vane aspect ratios during the compression process. The non-orbiting scroll member is integrated with the... | 05/13/2008 |
| 7351043 | Horizontal compressor end cap A substantially horizontal compressor including a housing having a main body portion with an open end. An end cap is secured to the main body portion with the end cap being provided with a plurality of apertures. The hermetic terminal body of the compressor is seala... | 04/01/2008 |
| 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 |
| 7331774 | Back pressure control mechanism of orbiting scroll in scroll compressor There is provided, at a low cost, a small-size and lightweight scroll compressor capable of preventing a decrease in compression efficiency by utilizing a medium pressure between a suction pressure and a discharge pressure as a back pressure. An independent minute g... | 02/19/2008 |
| 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 |
