Class 418/264 - With roller

Subclass of Class 418 - Rotary expansible chamber devices
Definition: Apparatus wherein the other element is provided with a rotatable
No. of patents: 38
Last issue date: 09/09/2008

Number	Title	Issue Date
7421998	Modular engine An engine is shown and disclosed having individual components that can be optimized depending upon the situation, application or desired performance of the engine. The individual components perform the intake, compression, combustion, expansion and exhaust elements ...	09/09/2008
7347675	Vane rotary expansion engine A high-efficiency vane rotary expander is provided, which prevents a loss due to incomplete expansion or overexpansion from occurring because the volume of an operating chamber may vary. This is done by forming a plurality of discharge ports (28, 29, 48, 49, 50	03/25/2008
7314035	Rotary vane engine and thermodynamic cycle A heat engine having a rotary vane compressor and a rotary vane turbine operates in a highly efficient thermodynamic cycle which includes a power expansion phase up to ambient pressure and a limited temperature constant volume combustion followed by a constant press...	01/01/2008
7255546	Spindle for a vane motor The spindle of a vane motor is designed to enhance the power, speed and torque by undercutting the spindle adjacent to the vanes on the power stroke side to increase the working area of the vanes and by adding slots intermediate the vane formed in said spindle and e...	08/14/2007
7188602	Concentric internal combustion rotary engine An internal combustion rotary engine includes a housing having an inlet and an outlet and a rotatable rotor centrally mounted within the housing. The rotor includes a plurality of pockets located about its circumference, the rotor further being connected to a rotor ...	03/13/2007
7143737	Rotary engine A rotary engine includes pistons disposed in operating chambers of a rotary member. The pistons are guided by guiding pieces engaged in a guiding groove formed at a housing so that the operating chambers are expanded. Each of the operating chambers includes an intak...	12/05/2006
7077098	Vane-type piston, four-cycle multi-chamber rotary internal combustion engine A rotary internal combustion engine has a hollow stator with inner surface formed by two concentric cylindrical surfaces, which fluently transit one into the other via ramp surfaces, and a cylindrical rotor, having the same radius as smaller concentric surface of th...	07/18/2006
7040872	Rotary fluid machinery Pistons (41) are slidably received in a plurality of cylinders (39) disposed radially in a rotor (31), and a plurality of vanes (42) cooperating with the pistons (41) are disposed radially in the rotor (31), so that a vane c...	05/09/2006
6905322	Cam pump A motor for converting fluid pressure to rotational motivation, and pump for moving fluid, is provided. The motor/pump includes a drum provided within a cylindrical cavity defined by a housing. Vane assemblies are provided which extend through the inner drum, and ar...	06/14/2005
6883489	Rotational engine A rotational engine that includes an annular cylinder block having an inner elliptical shape. A circular member having a number of cylinder heads is positioned centrally within the annular cylinder block. Upper and lower cylinder walls are positioned in recesses for...	04/26/2005
6761143	Coupling structure for expansion unit output shaft and driven-side transmission shaft An expansion unit (4) for converting an expansion energy of pressure-increased steam into a rotation energy of an output shaft, wherein a cover member (26) is provided on the casing outer surface of the expansion unit (4). The cover member (2...	07/13/2004
6681738	Rotary type fluid machine, vane type fluid machine, and waste heat recovering device for internal combustion engine Rotary type fluid machine includes a casing 7, a rotor 31 and a plurality of vane-piston units U1-U12 which are disposed in a radiate arrangement on the rotor 31. Each of the vane-piston units U1-U12 has a vane 42 sliding in a rotor chamber 14 and a pisto...	01/27/2004
6675765	Rotary type fluid machine, vane type fluid machine, and waste heat recovering device for internal combustion engine Rotary type fluid machine includes a casing 7, a rotor 31 and a plurality of vane-piston units U1-U12 which are disposed in a radiate arrangement on the rotor 31. Each of the vane-piston units U1-U12 has a vane 42 sliding in a rotor chamber 14 and a pisto...	01/13/2004
6668786	Rotary type fluid machine, vane type fluid machine, and waste heat recovering device for internal combustion engine Rotary type fluid machine includes a casing 7, a rotor 31 and a plurality of vane-piston units U1-U12 which are disposed in a radiate arrangement on the rotor 31. Each of the vane-piston units U1-U12 has a vane 42 sliding in a rotor chamber 14 and a pisto...	12/30/2003
6663370	Condenser motor A motor comprising a housing defining a chamber, a plate provided within said chamber, and means for condensing a gas within said housing in a manner which creates a sufficient negative pressure near said plate to assist in movement of said plate....	12/16/2003
6536403	Direct drive rotary engine A direct-drive rotary engine having a rotor housing, the rotor housing having an interior wall structure which defines an open interior of the engine compartment, including an air intake region, a compression region, a combustion region, an expansion regi...	03/25/2003
6513482	Rotary fluid machinery, vane fluid machinery, and waste heat recovery device of internal combustion engine Rotary type fluid machine includes a casing 7, a rotor 31 and a plurality of vane-piston units U1-U12 which are disposed in a radiate arrangement on the rotor 31. Each of the vane-piston units U1-U12 has a vane 42 sliding in a rotor chamber 14 and a pisto...	02/04/2003
6457450	Ju. M. Luzhkov rotary-turbine internal combustion engine A rotary-turbine internal combustion engine, having working members that make oscillatory movements about an axle fixed to a rotor using carriers that couple the working members and a guide on a body, makes it possible to provide good smoothness of rollin...	10/01/2002
6250280	Rotary drive engine A rotary engine including a drive element rotatably disposed within an open interior of a drive chamber, the drive chamber having an interior wall structure which defines the open interior including a fuel intake region, a combustion region, an exhaust re...	06/26/2001
5634783	Guided-vane rotary apparatus with improved vane-guiding means A guided-vane type rotary apparatus including a housing, a rotor rotatably mounted within the housing for rotation about an axis, and vanes associated with the rotor for movement radially with respect thereto between alternative radial positions utilizes ...	06/03/1997
5558509	Sliding-blade water jet propulsion apparatus for watercraft A sliding-blade water jet propulsion apparatus has an oval-shaped chamber and a water channel extending generally tangential to the chamber with a cylindrical rotor rotatably mounted eccentrically in the chamber. The rotor has at least two rectangular bla...	09/24/1996
5558511	Sliding vane machine having vane guides and inlet opening regulation A sliding vane machine with a cylindrical rotor (11) eccentrically placed in a housing, the rotor being rotatably mounted in the housing with its periphery in contact with the interior of the housing at one point and being provided with a number of vanes ...	09/24/1996
5501586	Non-contact rotary vane gas expanding apparatus A non-contact rotary vane gas expanding apparatus functions to convert controlled expansion of gas under pressure to rotary motive power. The gas expanding apparatus includes a stator housing, a rotor supported in the stator housing to undergo rotation re...	03/26/1996
5417555	Rotary vane machine having end seal plates A rotary vane machine includes a rotor having one or more sliding vanes. The rotor rotates within a chamber of a housing. At least one sealing plate is located between an end surface of the rotor and a corresponding inner surface of the housing. The seali...	05/23/1995
5304049	Frictionless rotary pump-motor-meter A rotary pump-motor-meter comprises a rotor assembly including a shaft (38) and one or more hub members (37) coaxially affixed to the shaft, that supports a plurality of flaps (40) disposed about the shaft (38), each of which flaps has a round first edge ...	04/19/1994
5160252	Rotary vane machines with anti-friction positive bi-axial vane motion controls A fluid displacement machine of the vane type which can be operated as a compressor or motor utilizes a cylindrical rotor equipped with one or more tethered sliding vanes wherein the rotor and vane set is rotatably located eccentrically inside an internal...	11/03/1992
4705465	Oil-pressure transmission device A fluid pressure-operated device has a rotor mounted inside a main housing, radial slots circumferentially spaced in the rotor, radially sliding vanes in the slots, springs urging the vanes radially inwardly to engage at their inner ends with a cam at the...	11/10/1987
4692104	Rotary pumping apparatus with radial seal assemblies on piston An air pump and compressor having a housing with a cylindrical internal chamber. A plurality of pairs of intake and exhaust valves mounted on the housing control the flow of air into and out of the chamber. A piston located within the chamber is mounted o...	09/08/1987
4451219	Valveless bi-chamber rotary steam engine with turbine effect The instant invention relates to a valveless bi-chamber rotary steam engine with turbine effect comprising two sets of rotor blades of which each set of rotor blades rotates around its own eccentric point on a stationary mutual crank shaft within a semici...	05/29/1984
4410305	Vane type compressor having elliptical stator with doubly-offset rotor A rotary compressor having a housing defining a chamber with a curved outer wall of substantially elliptical profile containing a rotor of cylindrical shape having a plurality of vanes profiled to fit the chamber and radially slidable in grooves in the ro...	10/18/1983
4299546	Vane control bearing assembly A rotary vane gas cycle apparatus having radial slots in the vanes and with cam bearings supported in the slots. A camtrack member is supported by the rotary vane gas cycle apparatus housing and fits into the slots in the vanes and rotor to control the mo...	11/10/1981
4212603	Rotary vane machine with cam follower retaining means A rotary machine includes a stator housing having an inner surface defining a stator chamber. The housing further defines inlet and outlet ports through the housing into the chamber. A substantially cylindrical rotor is rotatably mounted within the chambe...	07/15/1980
4201526	Pivoted blade between rotor and stator having arcuate sections An improved rotor blade arrangement pivotally mounted in a cylindrical recess in the rotor. The blade arrangement is pivotally mounted on a blade support and has a center of gravity offset from the pivot mounting. The arrangement includes a pair of arcuat...	05/06/1980
4184821	High velocity rotary vane cooling system A reverse Brayton cycle rotary vane cooling system having a compressor and an expander driven by a common shaft. The cooling system includes a plurality of vanes made of a carbon epoxy plastic composite with bearing support inserts molded into the plastic...	01/22/1980
4182301	Rotary internal combustion engine A pair of counter-rotating rotors operate in communicating rotor chambers of a common rotor housing. The rotors are pocketed in their peripheries and alternating pockets of each rotor receive vane-piston rollers of the opposing rotor with the vane-piston ...	01/08/1980
4088426	Sliding vane type of compressor-expander having differential eccentricity feature A compressor-expander for use in air conditioning including a chamber of generally elliptical cross section having a compressor side and an expander side each with inlet and outlet ports. Rotatable in the chamber is a vaned rotor defining enclosed compart...	05/09/1978
3988083	Non-contact vane pump The present invention relates to a non-contact type vane pump adapted to prevent the generation of heat due to direct contact between the outer edges of the rotatively driven vanes of the vane pump and the inner surface of the pump casing. The principle a...	10/26/1976
3985479	Rotary piston pump A rotary piston pump comprises vanes mounted on shafts extending radially from a hub and travelling around an annular channel having a forwarding or pumping portion of circular cross section and a restricted sealing portion corresponding in cross section ...	10/12/1976

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Class 418/264 - With roller