Rotary expansible chamber devices inventions 09/06

20060210415 - Scroll compressor: A scroll compressor has a fixed scroll including a fixed spiral wall and a movable scroll including a movable spiral wall. Inner end portions of the fixed and movable spiral walls each have an arc-like shape. The inner end portion of the fixed spiral wall has smaller width than the...

20060210416 - Scroll compressor: A surface of a fixed scroll which is opposed to a end plate of an orbiting scroll existing outside of a lap of the fixed scroll is formed with: a substantially annular seal portion which extends such as to have an outer wall surface of the fixed scroll outwardly extending...

20060210417 - Inscribed gear pump: An inscribed gear pump that provides a housing, an outer rotor formed with a plurality of inner teeth continuously at an internal circumference thereof which is rotatably provided to an inside of the housing, an inner rotor formed with a plurality of outer teeth continuously at an external circumference thereof...

20060210418 - Rotary compressor: Disclosed is a rotary compressor having two compression capacities in clockwise and counterclockwise directions. The present invention provides a rotary compressor comprising: a driving shaft (13) being rotatable clockwise and counterclockwise, and having an eccentric portion (13a) of a predetermined size; a cylinder (21) having a predetermined inner volume; a...

20060210419 - Radial axis, spherical based rotary machines: A rotary machine which can be either a pump or an internal combustion engine has a housing enclosing a plurality of rotor spindles lying on the surface of an imaginary cone for driving an output shaft positioned at the vertex of the imaginary cone. The spindles have a beveled gear...

20060204392 - Rotary machine (variants), a working member therefor and an propulsion device using said rotary machine: This invention relates to power engineering, and more exactly, to engine building, and, in particular, to rotary internal combustion engines and pneumatic and hydraulic pump units. The invention helps to simplify the design of the rotary machine, reduce its material consumption rates, improve the manufacturing process thereof, and lower unit...

20060204393 - Optical network unit: An optical network unit having an environmentally sealed printed circuit board arrangement within a first compartment and a signal in/out arrangement in a second compartment. The compartments are provided by two housings. Instead of replacing individual circuit boards in the case of breakdown or malfunction, replacement of the whole of...

20060204394 - Gear pump: A pump comprises a driving rotor and a driven rotor that are positioned in a housing such that, as the driving rotor and the driven rotor rotate, the teeth of the driving rotor and the teeth of the driven rotor mesh to form a positive displacement seal. The teeth of...

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...

20060198747 - Fluid machine: A fluid machine includes a stationary scroll member and a movable scroll member. A second tooth portion of the movable scroll member is arranged to be revolved with respect to a first tooth portion of the stationary scroll member and to form an operating chamber between the movable scroll member...

20060198748 - Scroll machine with single plate floating seal: A scroll machine utilizes a floating seal to isolate pressurized fluid to provide axial biasing. The floating seal is designed as a single piece plate with inner and outer annular seals. The inner and outer annular seals can be U-shaped, V-shaped or L-shaped and each configuration is oriented to provide...

20060198749 - Capacity-changing unit of orbiting vane compressor: Disclosed herein is a capacity-changing unit of an orbiting vane compressor that is capable of performing normal operation and no-load operation in inner and outer compression chambers through simple manipulation of a rotary valve plate, thereby easily changing the capacity of the compressor according to operation modes. The capacity-changing unit...

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...

20060198747 - Fluid machine: A fluid machine includes a stationary scroll member and a movable scroll member. A second tooth portion of the movable scroll member is arranged to be revolved with respect to a first tooth portion of the stationary scroll member and to form an operating chamber between the movable scroll member...

20060198748 - Scroll machine with single plate floating seal: A scroll machine utilizes a floating seal to isolate pressurized fluid to provide axial biasing. The floating seal is designed as a single piece plate with inner and outer annular seals. The inner and outer annular seals can be U-shaped, V-shaped or L-shaped and each configuration is oriented to provide...

20060198749 - Capacity-changing unit of orbiting vane compressor: Disclosed herein is a capacity-changing unit of an orbiting vane compressor that is capable of performing normal operation and no-load operation in inner and outer compression chambers through simple manipulation of a rotary valve plate, thereby easily changing the capacity of the compressor according to operation modes. The capacity-changing unit...