Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 8152490 | Motor driven compressor A motor-driven compressor has a compression mechanism, a rotary shaft, an electric motor, a motor drive circuit and a housing assembly. The compression mechanism, the electric motor and the motor drive circuit are disposed along the axial direction of the rotary sha... | 04/10/2012 |
| 8113800 | Scroll fluid machine A scroll compressor as a fluid machine includes a housing containing a scroll unit and an armature of an electric motor, and a connection device (66) for electrically connecting each stator coil (62) of the armature to a circuit board external to the h... | 02/14/2012 |
| 8105054 | Oil return tube aligned over motor protector in scroll compressor A scroll compressor is provided with an oil return tube having an outlet for directing oil toward a motor protector for an electric motor. The oil supply tube is positioned to be at an angle relative to the drive axis of a shaft driven by the electric motor. This en... | 01/31/2012 |
| 7857603 | Piezoelectric drive for scroll compressor Compressors are defined by two relatively moving members, which have a relative orbital movement between the two. Piezoelectric elements are associated with each of the two moving members to cause the moving members to result in the orbital movement. ... | 12/28/2010 |
| RE41955 | Capacity modulation for plural compressors A compressor system includes a pair of compressors located in a common shell. A common drive shaft drives both compressors and the drive shaft is powered by a single motor. One or both of the compressors can be equipped with a pulse width modulated capacity control ... | 11/23/2010 |
| 7708532 | Electric compressor A lead wire of a motor is prevented from being damaged, and the reliability of an electric compressor is enhanced. The electric compressor 1 is provided with a division wall 80b which divides a discharge chamber 62 and a connection space ... | 05/04/2010 |
| 7585160 | Hermetic compressor A hermetic compressor includes a casing, a compression mechanism in the casing, a container member and a pressure reduction device. The casing includes a high pressure chamber, an intake pipe and a discharge pipe. The high pressure chamber contains lubricant oil tha... | 09/08/2009 |
| 7473079 | Electric compressor with inverter In an electric compressor, an inverter case of an inverter is externally attached to an end wall of a housing in an axial direction on the side of a suction port to a compression mechanism. An intake passage for leading fluid returned from the outside into the sucti... | 01/06/2009 |
| 7442017 | Displacement type compressor having a self-start synchronous motor and start load reducing means In order to make a displacement type compressor be able to reliably start without increasing an outside diameter dimension of the compressor while using a self-start synchronous motor having high energy efficiency, the displacement type compressor according to the i... | 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 |
| 7435067 | Scroll machine with brushless permanent magnet motor A scroll machine is powered by a brushless permanent magnet motor. The rotor for the motor includes a rotor body formed by a plurality of laminations and an upper and lower counterweight made of zinc and located at opposite ends of the rotor body. An attachment memb... | 10/14/2008 |
| 7381037 | Apparatus for varying capacity of scroll compressor An apparatus for varying the capacity of a scroll compressor is disclosed. The apparatus for varying the capacity of a scroll compressor includes a bypass passage for connecting a compression pocket under intermediate pressure among compression pockets formed by a w... | 06/03/2008 |
| 7372186 | Electrostatic motor with clearance maintaining structure An electrostatic motor provided with a stationary member including a first major surface and a first back surface opposite to the first major surface; and a movable member including a second major surface and a second back surface opposite to the second major surfac... | 05/13/2008 |
| 7364416 | Scroll type compressor with an enhanced sealing arrangement A scroll type compressor with an enhanced sealing arrangement includes two sealing rings, mounted one between a first part of a gliding block and a first chamber of a fixed scroll and another one between a second part of the gliding block and a second chamber of the... | 04/29/2008 |
| 7311501 | Scroll compressor with bifurcated flow pattern A scroll compressor includes various features that promote a bifurcated flow pattern of gas through a compressor shell to reduce oil entrainment. After entering the shell, some gas travels upward, which reduces the volume of gas traveling downward toward an oil sump... | 12/25/2007 |
| 7281910 | Motor driven compressor A motor driven compressor having a motor for driving a compression mechanism includes a connecting portion for connecting between an external terminal for supplying electricity to the motor and a wire end portion of a stator of the motor. The connecting portion is l... | 10/16/2007 |
| 7273357 | Control device for electric compressor A control device includes a shot-pulse control unit that provides, at a time of starting a synchronous motor, a predetermined current to each phase of a stator of the motor for a short time; a detecting unit that detects a current flowing through each phase when the... | 09/25/2007 |
| 7228935 | Attachment pin for an exhaust-gas muffler The invention relates to an attachment pin (1) for fixing an exhaust-gas muffler (2) in an apparatus part (4) of a portable handheld work apparatus (5) driven by an internal combustion engine. The exhaust-gas muffler (2) includes e... | 06/12/2007 |
| 7201568 | Scroll fluid machine A scroll fluid machine has a low-pressure stage compression part for compressing a fluid sucked in from the outside between mutually overlapping wrap portions of two scroll members performing a relative orbiting motion and a high-pressure stage compression part for ... | 04/10/2007 |
| 7201567 | Plural compressors A compressor system includes a pair of compressors located in a common shell. A common drive shaft drives both compressors and the drive shaft is powered by a single motor. One or both of the compressors can be equipped with a pulse width modulated capacity control ... | 04/10/2007 |
| 7197892 | Encapsulated electrically driven compressor The invention relates to an encapsulated electrically driven compressor for a motor vehicle and has an object to prevent electrical parts for connecting an electric motor housed in a hermetically sealed housing to an outside electric control circuit from being easil... | 04/03/2007 |
| 7186099 | Inclined scroll machine having a special oil sump A scroll-type compressor is provided in an inclined or inverted position with an oil sump disposed adjacent to a gas inlet of the scroll wraps to allow droplets of oil to be entrained in the gas being compressed so that the oil droplets in the gas can cool the scrol... | 03/06/2007 |
| 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 |
| 7179068 | Electric compressor A cooling space in an inverter case is disposed at a position opposed to a stationary scroll of a scroll compressor. A refrigerant having low temperature is allowed to flow in and out between the cooling space and the stationary scroll through a seal, thereby coolin... | 02/20/2007 |
| 7174998 | Submerged electric fluid pump An electric fluid pump for a transmission, transfer case or an oil reservoir. The pump is contained within the transmission, transfer case or engine oil reservoir and has an open housing which allows fluid into the motor for cooling and lubrication. ... | 02/13/2007 |
| 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 |
| 7162797 | Method of correcting imbalance of a scroll compressor A compressor has a compression unit for compressing gas to a desired pressure, a drive shaft and a balancer. The drive shaft is connected to the compression unit for driving the compression unit. Imbalance on the drive shaft is generated due to movement of the compr... | 01/16/2007 |
| 7147443 | Electric compressor It is an object of the present invention to provide an electric compressor capable of enhancing the mountability with respect to a vehicle without increasing the compressor in size when the electric compressor and a motor-driving circuit which drives a motor of the ... | 12/12/2006 |
| 7147444 | Assembling mechanism of discharge pipe for hermetic compressor and method thereof An assembling mechanism of a discharge pipe and a method thereof, capable of preventing deformation of an upper cover and a compression unit generated in assembling the discharge pipe by improving assembling mechanism of the discharge pipe, thus to improve performan... | 12/12/2006 |
| 7148605 | Biaxial piezoelectric motor A piezoelectric motor that allows movement of an arbitrary object in an arbitrary direction is described. The piezoelectric motor includes at least two piezoelectric drives positioned to direct energy at an angle to each other. A contact element translates the energ... | 12/12/2006 |
| 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 |
| 7112045 | Electric compressor An electric compressor has a compressor housing, a compression mechanism, an electric motor, an accommodating portion and a motor drive circuit. The compressor housing has a circumferential wall and a central axis. The compression mechanism is arranged in the compre... | 09/26/2006 |
| 7094038 | Vacuum preventing device for scroll compressor Disclosed is a vacuum preventing device including a housing engaged to one side of an outer circumference portion of a fixed scroll to divide the area into a discharge region and a suction region, a chamber formed in the housing and having a compression hole connect... | 08/22/2006 |
| 7086151 | Powder metal scrolls Scrolls made from one or more near-net shaped powder metal processes either wholly or fabricated together from sections. Both “conventional” press and sinter methods and metal injection molding methods will be described. ... | 08/08/2006 |
| 7083397 | Scroll compressor with motor control for capacity modulation Several transmission embodiments selectively communicate rotary drive to an orbiting scroll to achieve capacity modulation. In these embodiments, when the motor is driven in a first direction, the orbiting scroll is driven at a rate which is equal to the motor speed... | 08/01/2006 |
| 7063518 | Bearing support and stator assembly for compressor A compressor assembly including a compression mechanism, a motor including rotor and a laminated stator and a shaft is provided. The shaft is operably coupled to the compression mechanism and the rotor. The shaft extends outwardly from the motor opposite the compres... | 06/20/2006 |
| 7056104 | Compressor unit with an electrical circuit device connected to the main body and an electrical power connector A compressor unit has a compressor main body, an electrical circuit device and a connector. The electrical circuit device is electrically connected to the compressor main body through a cable. The cable has a proximal end and a distal end. One of the compressor main... | 06/06/2006 |
| 7052255 | Apparatus for changing capacity of scroll compressor with movable seal member An apparatus for changing capacity of scroll compressor comprises: a seal member movably installed on one of facing surfaces of a fixed scroll so as to seal a compression space made by the fixed scroll and orbiting scroll; a back pressure passage formed to be commun... | 05/30/2006 |
| 7044719 | Enclosed compressor with vibration reduction Disclosed is an enclosed type compressor in which a scroll type compression mechanism and an electric motor are attached firmly to a casing, with the scroll type compression mechanism and the electric motor in contact with an inner face of the casing. Formed in a pl... | 05/16/2006 |
| 7025577 | Enclosed-configuration electrically powered compressor having electric motor with stator coil thereof cooled by flow of refrigerant prior to compression of the refrigerant An enclosed-configuration electrically powered compressor has an electric motor with a segment-type stator coil that is directly cooled by a flow of refrigerant from an intake aperture in the casing, directed onto one or both of the coil end portions of the stator c... | 04/11/2006 |
