Rotary expansible chamber devices inventions 10/06

20060239848 - Internal gear type oil pump rotor: An oil pump rotor assembly includes an inner rotor (20) having “n” external teeth (“n” is a natural number), and an outer rotor (10) having (n+1) internal teeth which are engageable with the external teeth, the oil pump rotor assembly being used in an oil pump which, during rotation of...

20060239849 - Gerotor apparatus for a quasi-isothermal brayton cycle engine: According to one embodiment of the invention, a gerotor apparatus includes an outer gerotor having an outer gerotor chamber, an inner gerotor, at least a portion of which is disposed within the outer gerotor chamber, and a synchronizing apparatus operable to control the rotation of the inner gerotor relative to...

20060233654 - Compressor with radial compliance mechanism: A radial compliance mechanism for a scroll compressor which includes a crankshaft having an eccentric with a substantially rectangular cross section in a plane normal to the longitudinal axis of the crankshaft. A substantially cylindrical roller is provided with a substantially square central opening and mounted on the eccentric. Opposite...

20060233653 - Rotary mechanism: A rotary mechanism (10) has an annular (chamber 12) defined by an inner wall (16) of housing (11). A symmetrical two lobed rotor (15) has opposing side faces (21a,21b) a longitudinal axis between apices (22). A drive shaft (50) eccentrically rotates rotor by a block (51) and slot (52) receprocating...

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...

20060233656 - Scroll fluid machine: A scroll fluid machine has a fixed scroll in a housing and an orbiting scroll rotatably mounted to a driving shaft. A fixed wrap of the fixed scroll is engaged with an orbiting wrap of the orbiting scroll. The orbiting scroll is revolved at a certain eccentricity by the driving...

20060233657 - Scroll machine: A discharge valve assembly is provided for preventing reverse rotation of a scroll compressor. The discharge valve assembly includes a cup-shaped valve member slidably engaged with a central post of a retainer member. The cup-shaped valve member includes notches in communication between the central post of the retainer and the...

20060228242 - Vacuum pump: A vacuum pump may include a tubular stator located between an intake plate and a back plate. Mating portions on the intake plate and back plate may be used to properly locate the stator. The stator may include two internal pump chambers separated by a divider plate. The divider plate...

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...

20060228244 - Scroll compressor multipile isolated intel ports: The present invention is concerned with a scroll wall arrangement for a scroll compressor. The scroll wall arrangement comprises a fixed scroll having fixed scroll walls and an orbiting scroll having orbiting scroll wall. Scroll wall arrangement has an inlet at a radially outer portion thereof and an outlet at...

20060228245 - Single-vane rotary pump or motor: A rotary vane pump or motor comprising a housing (16) with cylindrical inner peripheral wall defining a cavity, and a rotor (20) with cylindrical peripheral surface and a socket (41) internal to said peripheral surface, eccentrically disposed in the cavity. The rotor (20) is adapted to scroll the inner peripheral...

20060228246 - Vacuum pump: A vacuum pump may include a stator located between an intake plate and a back plate. Mating portions on the intake plate and back plate may be used to properly locate the stator. The stator may comprise a tubular piece of material. The stator may include two internal pump chambers...

20060222543 - Variable capacity rotary compressor: A variable capacity rotary compressor to securely fix a clutch pin to a rotation shaft includes first and second compression chambers having different inner volumes, a rotation shaft penetrating the first and second compression chambers, first and second eccentric bushes disposed on an outer circumference of the rotation shaft, a...

20060222544 - Rotary machine with orbiting twin blades, especially for expansion drive units and compressors: A rotary machine with orbiting twin blades, especially for expansion drive units and compressors, includes a stator housing bounding an internal chamber, a rotor part received in the chamber for rotation and including at least two entraining rings axially spaced from one another and at least four entraining bars interconnecting...

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...

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...

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...

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...

20060222549 - Apparatus for controlling quantity of feeding oil of inverter compressor: An oil feed controller of an inverter compressor controls the quantity of feeding oil to prevent excess oil from being fed to a compression part when rotational speed of a rotation shaft is increased. The oil feed controller includes an installation hole formed in the rotation shaft to communicate with...

20060222551 - 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 into the shell due to rotation...

20060222550 - Oil supply structure of scroll compressor: Disclosed herein is an oil supply structure of a scroll compressor capable of preventing a sludge clog phenomenon in a fine hole of an oil supply screw. The oil supply structure comprises a backpressure space defined between an orbiting scroll and a main frame of the compressor, a screw bore...

20060222552 - Torque limited lube pump for power transfer devices: A lube pump is provided for supplying lubricant to various components of a power transmission unit of the type used in motor vehicles. The lube pump includes a pump assembly and a coupling mechanism for releaseably coupling the pump assembly to a driven shaft. The coupling is operable to release...

20060222553 - Rotary piston pump: A rotary piston pump has at least two rotors (8) with associated drive shafts (26), wherein for each rotor (8) an associated bearing tube (28) is provided, which extends into the associated rotor (8) and through which the associated drive shaft (26) passes. Between the inside (24) of each rotor...