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| Number | Title | Issue Date |
| 7393695 | Collider chamber apparatus and method of use of same The disclosed apparatus includes a stator and a rotor disposed for rotation within the stator. An inner wall of the stator defines one or more collider chambers. Rotation of the rotor causes movement of fluid disposed between the rotor and stator and establishes a r... | 07/01/2008 |
| 7214045 | Spherical fluid machine with flow control mechanism A rotary fluid machine, such as a pump or motor, is provided with a fluid flow control mechanism that allows the flow of fluid to be easily and precisely controlled. The device has a housing with a spherical interior in which primary and secondary vanes rotate, with... | 05/08/2007 |
| 6932588 | Variable capacity rotary compressor A variable capacity rotary compressor includes a housing defining a cylindrical compression chamber therein and having an inlet port and an outlet port communicating with the compression chamber. A rotating shaft is provided with an eccentric part to rotate in the c... | 08/23/2005 |
| 6382925 | Variable displacement pump In a variable displacement pump for a power steering device of a vehicle, the adapter ring is arranged to be easily engaged with the engagement hole at the pump casing, to improve ease of assembly. The relationship of the adapter ring with the engagement ... | 05/07/2002 |
| 6241493 | Spherical fluid machine with control mechanism A rotary fluid machine, such as a pump or motor, is provided with a fluid flow control mechanism that allows the flow of fluid to be easily and precisely controlled. The device has a housing with a spherical interior in which primary and secondary vanes r... | 06/05/2001 |
| 6152716 | Vane pump The invention relates to a vane pump with a rotor which receives vanes, with two pressure plates (17) which bear sealingly on the rotor and of which one is arranged on a delivery side of the vane pump and one on the opposite side, and with a contour ring ... | 11/28/2000 |
| 5863189 | Variable displacement vane pump adjustable by low actuation loads Variable-displacement, single-acting vane pumps in which the cylindrical cam member is adjustably supported within an outer annular cam housing to enable the cam member to be adjustably-rotated relative to the housing to adjust the geometric center of the... | 01/26/1999 |
| 5485725 | Continuously variable transmission A continuously variable transmission employing a vane pump and a vane motor has a mechanism for mutually moving housings of the vane pump and the vane motor or for moving each independently. The mechanism can gradually decrease the eccentricity of the int... | 01/23/1996 |
| 4946355 | Orbital pump A positive displacement pump is particularly adapted for corrosive, abrasive and viscous liquids. It employs a combination of orbital and nodding movements provided by a unique mechanism. A rotor member, mounted eccentrically on a drive shaft, fits closel... | 08/07/1990 |
| 4884957 | Displacement machine having displacement body and sealing members rotating on non-parallel axes The displacement machine includes a casing (1) closed by an end plate (2) and accommodating a rotor with displacement surfaces with which a seal is engaged in form-locking manner to co-rotate therewith. The displacement surfaces sealingly engage a hollow ... | 12/05/1989 |
| 4551078 | Scroll-type fluid displacement apparatus with angular offset varying means A scroll type fluid displacement apparatus, in particular, a compressor unit is disclosed. The unit includes a housing, a pair of scroll members which are comprised of an end plate and a spiral wrap extending from one surface of the end plate. Both wraps ... | 11/05/1985 |
| 4477231 | Variable displacement vane type pump A variable displacement vane type hydraulic pump of simple construction automatically varies its output flow rate, between a maximum value and zero, in response to changes in the output pressure. The pump is characterized by a laterally shifting flow modu... | 10/16/1984 |
| 4316706 | Variable displacement vane pump with non-fluctuating flow A vane pump comprising vanes, a rotor carrying the vanes and which is rotatable about an axis, a housing, means defining a vane running path along which the vanes move, means defining a region of said path to be of non-constant radius relative to said axi... | 02/23/1982 |
| 4177024 | Vane air motor with eccentric adjustment ring and bearing ring for vane ends A pneumatically operated vane-type motor for driving medical or dental handpieces. A housing forms a rotor chamber in which a rotor is mounted, the rotor having axial slots in which radially moveable vanes are housed. An adjustment ring is positioned betw... | 12/04/1979 |
| 4008013 | Fluid rotative machine with variable displacement A rotative machine for fluids comprising a plate with spiral-like passages for the circulation of fluid therein, in which also circulate the vanes of vane wheels carried by a disc coaxial to and facing said plate. Spiral-like walls placed inside the passages a... | 02/15/1977 |
