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Rotary Expansible Chamber Devices > Working Member Has Planetary Or Planetating Movement > Helical Working Member, E.g., Scroll Helical Working Member, E.g., ScrollHelical Working Member, E.g., Scroll patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.08/30/07 - 20070201996 - Motor-compressor unit mounting arrangement for compressors A method of assembling a compressor, including assembling, first as a subassembly external of the compressor housing, portions of the motor-compressor unit, including a crankcase, mount brackets, stator, outboard bearing assembly, and drive shaft. Thereafter, the motor-compressor unit subassembly is inserted into a first end of the housing, and the ... 07/05/07 - 20070154337 - Scroll compressor with externally installed thermostat A thermostat for sensing an unduly high temperature in a sealed compressor, which is a scroll compressor in the disclosed embodiment, extends through the housing of the sealed compressor into the body of a non-orbiting scroll. Since the thermostat extends through the housing, the wires need not be sealed as ... 05/24/07 - 20070116589 - Method and apparatus for compressor re-manufacture In a method of repairing a scroll compressor, the casing 100 of the compressor is cut open by making two transverse cuts through the casing to give access to the internal components of the compressor. The casing 100 is then resealed, using two annular reinforcing structures 300, one at each ... 05/17/07 - 20070110604 - Scroll machine A scroll machine includes a shell defining a discharge chamber, a first scroll member having a first spiral wrap projecting outwardly from a first end cap, a second scroll member having a second spiral wrap projecting outwardly from a second end cap intermeshed with the first spiral wrap, and a ... 05/10/07 - 20070104602 - Scroll fluid machine A scroll fluid machine comprises a fixed scroll, an orbiting scroll and a plurality of self-rotation preventing device for preventing the orbiting scroll from rotating on its own axis. On the rear surface of the orbiting scroll, a reinforcement bearing plate is fixed with a central bolt and an outer ... 04/05/07 - 20070077159 - Scroll fluid machine A scroll fluid machine comprises a housing having a fixed scroll and an orbiting scroll revolved by a driving shaft which is driven by a motor behind the housing. A blowing fan is provided between the orbiting scroll and the motor. Rotation of the fan causes decompression in the housing ... 03/22/07 - 20070065325 - Scroll compressor A scroll compressor includes a first scroll and a second scroll. The first scroll has a step portion that separates an elevated portion and a recessed portion of a surface of the first scroll. A spiral wall of the second scroll has a step that separates an elevated portion and ... 03/15/07 - 20070059192 - Flanged sleeve guide A scroll machine includes a shell and at least one of the scroll members disposed in the shell being mounted for axial movement with respect to the other scroll member disposed in the scroll. The amount of axial movement of the at least one scroll member is accurately controlled by ... 11/30/06 - 20060269432 - Recesses for pressure equalization in a scroll compressor A scroll compressor is provided with spaced grooves in a base of one of the two scroll members. A recess is formed in a wrap tip of the other scroll member. The recess in the wrap tip bridges a space between the grooves of the other scroll member. This bridging ... 11/30/06 - 20060269431 - Compressor with check valve orientated at angle relative to discharge tube A unique positioning of a discharge tube relative to a pivot axis of a check valve in a compressor reduces the wear and fatigue stresses on the pivoting check valve components. The tube is centered on an axis that is non-perpendicular to an axis that is parallel to the pivot ... 10/19/06 - 20060233655 - Scroll machine with axially compliant mounting A scroll compressor includes a compression mechanism contained within a shell. A non-orbiting scroll is supported for axial displacement relative the shell, and includes an end plate having a wrap extending therefrom and a flange having a bore extending therethrough. A guide member is axially fixed relative the shell and ... 10/12/06 - 20060228243 - Discharge valve structures for a scroll compressor having a separator plate A discharge valve is incorporated into a scroll compressor, and in a boss from a non-orbiting scroll. A valve stop is mounted in the boss, and the boss is sealed within an opening in a separator plate. The present invention provides a discharge valve within a scroll compressor having a ... 10/05/06 - 20060222548 - Scroll fluid machine with a silencer A scroll fluid machine comprises a housing, a drive shaft, a stationary scroll fixed to the housing, and an orbiting scroll driven by the drive shaft. A gas from the outer circumference of the housing is introduced between the stationary and orbiting scrolls, and sent to the center by revolving ... 10/05/06 - 20060222547 - Scroll fluid machine with a silencer A scroll fluid machine comprises a housing, a driving shaft, a fixed scroll fixed to the housing, and an orbiting scroll. A gas introduced from the outer circumference of the housing is compressed towards the center of the housing with revolution of the orbiting scroll by the driving shaft. The ... 10/05/06 - 20060222546 - Fixed scroll of scroll compressor Disclosed herein is a fixed scroll of a scroll compressor capable of preventing gaseous refrigerant, that is heated in the compressor or contains a large amount of oil scatted in a compression unit, from being introduced into a compression chamber. The fixed scroll includes an open involuted wrap provided at ... 10/05/06 - 20060222545 - Fixed scroll of scroll compressor Disclosed herein is a scroll compressor, and more particularly, a fixed scroll of the scroll compressor which can allow part of gaseous refrigerant to be smoothly introduced into a compression chamber while preventing introduction of the remaining gaseous refrigerant that is heated in the compressor. The fixed scroll includes a ... 09/28/06 - 20060216179 - Back-gap controlling apparatus for compressor A back-gap controlling apparatus for compressor is proposed to reduce an initial torque for the motor of a compressor. A high pressure between the two scroll units of the compressor can temporarily separate the two scroll units. The casing pro se or a sealing buffer can be used to limit ... 09/07/06 - 20060198746 - Scroll fluid machine A scroll fluid machine comprises a stationary scroll fixed to a housing and an orbiting scroll that turns with a driving shaft. The stationary scroll comprises a stationary end plate having inner and outer stationary wraps and the orbiting scroll comprises an orbiting end plate having inner and outer orbiting ... 07/20/06 - 20060159579 - Motor-compressor unit mounting arrangement for compressors A mounting arrangement for the motor-compressor unit of a compressor, and a method of assembling a compressor, particularly a scroll compressor. A fixed scroll member is attached to the compressor housing by an overlap between an annular shoulder on the fixed scroll member and the upper end of the housing. ... 07/06/06 - 20060147331 - Scroll apparatus with an axial gap control function A scroll apparatus with an axial gap control function is described. The scroll apparatus is capable of controlling the axial gap between its fixed scroll and orbiting scroll. The scroll apparatus has a frame with a pair of indentations installed in the casing of the scroll apparatus, a pair of ... 06/29/06 - 20060140803 - Apparatus for preventing vacuum state in scroll compressor An apparatus for preventing a vacuum state in a scroll compressor including a hermetic container divided into a high pressure space and a low pressure space; a fixed scroll provided inside the hermetic container; and an orbiting scroll orbiting in a state of being interlocked with the fixed scroll, comprises: ... 06/22/06 - 20060133944 - 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 member extends through the ... 06/15/06 - 20060127260 - Scroll compressor having frame fixing structure and frame fixing method thereof Disclosed are a scroll compressor having a frame fixing structure and a frame fixing method of the scroll compressor. The scroll compressor comprises an upper frame installed at an inner upper portion of a hermetic container; a fixed scroll fixed to an upper portion of the upper frame; and an ... 05/18/06 - 20060104846 - Scroll compressor An orbiting scroll compressor includes: a frame fixed in a casing; a driving motor fixed in the casing and supplying a driving force; a fixed scroll fixed in the casing; an orbiting scroll forming a first compression space as its one side is interlocked with the fixed scroll, and orbiting ... 05/11/06 - 20060099098 - Discharge valve system of scroll compressor A discharge valve system of a scroll compressor comprises: a fixed scroll having a discharge hole and discharge bypass holes; a discharge valve assembly mounted at the fixed scroll, for opening and closing the discharge hole by a pressure difference; and an integral bypass valve assembly mounted at the fixed ... 05/11/06 - 20060099097 - Apparatus for varying capacity of scroll compressor The present invention discloses an apparatus for varying a capacity of a scroll compressor. The apparatus comprises: a pressure control mechanism for controlling a pressure applied to the back of a orbiting scroll orbiting engaged with a fixed scroll; and a sealing varying mechanism for changing a sealing region of ... 05/11/06 - 20060099096 - Scroll pump system The present invention provides a scroll pump device comprising external and internal scroll members, and wherein the scroll pump device is separated into inner and outer zones. The flow streams in the two zones are kept separate, and each stream may have different chemical compositions and flow rates. The scroll ... 05/04/06 - 20060093506 - Scroll compressor A scroll compressor includes an orbiting scroll orbiting and having a boss in which an eccentric portion of a rotating shaft is inserted, a main frame having a pocket in which a boss of the orbiting scroll is inserted and a thrust bearing surface to which a thrust bearing surface ... 05/04/06 - 20060093505 - Positioning structure and method for assembling compressor A positioning structure and a method are used to assemble a scroll compressor for outputting high-pressure fluid. The casing, supporting stage and the upper scroll are arranged and positioned by using pin engaged with pin hole. The lower scroll is provided on a baffle face of the supporting stage. A ... 05/04/06 - 20060093504 - 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 wrap of a fixed scroll and a wrap of a ... 03/09/06 - 20060051226 - Scroll compressor There is provided a scroll compressor having high overall adiabatic efficiency and reliability in a wide pressure operating range. A backside excess-suction-pressure region is provided such that pressure higher than suction pressure by a constant value is applied to a backside of scroll members to produce an attractive force to ... 03/09/06 - 20060051225 - Scroll pump and method of assembling same A method of assembling a scroll pump comprises the following steps carried out sequentially: the step of mounting a first bearing means (20) and drive shaft (14) for rotation relative to a housing (12): the step of fastening a first flange portion (48) of a bellows arrangement (34) relative to ... 02/09/06 - 20060029508 - Scroll fluid machine A scroll fluid machine comprises fixed and orbiting scrolls. The fixed scroll has a fixed end plate having inner and outer fixed wraps and the orbiting scroll has an orbiting end plate having inner and outer wraps. Between the fixed and orbiting end plates, an annular partition wall is provided. ... 12/01/05 - 20050265878 - Compressor A compressor is provided with an oil separator disposed in between a discharge chamber of a refrigerant and a discharge port connected to a circulating path for the refrigerant. The oil separator has a separating chamber into which the refrigerant flows from the discharge chamber, and a separating tube disposed ... 10/20/05 - 20050232798 - Compressor check valve retainer A scroll compressor has a sealed housing. Within the sealed housing is a first scroll member having a first base and a first generally spiral wrap extending form the first base. A second scroll member has a second base and a second generally spiral wrap extending from the base. The ... ### FreshPatents.com Support |