Class 418/164 - Rotary internal reacting member

Subclass of Class 418 - Rotary expansible chamber devices
Definition: Apparatus wherein the inner member forming part of the working
No. of patents: 26
Last issue date: 02/07/2006

Number	Title	Issue Date
6994071	Two-cycle engine for counter-rotation especially for aviation applications A counter-rotating 2 cycle piston engine with a combustion chamber and an output shaft rotatably mounted to rotate independently about the same propeller centerline of an aircraft. The Internal combustion power is transmitted to the output shaft by means of a conven...	02/07/2006
6928977	Adapter, to interface counter-rotating torque producing engine mechanisms with stationary support accessories, for torque free output and torque sensitive environments The present invention is a novel hydraulic/electric, rotating interface for torque producing engines, including internal combustion engines, which enables a rigidly mounted motor to isolate the power/torque producing components from other stationary accessories, to ...	08/16/2005
6889871	Internally generated rotor set for low viscosity and abrasive metering applications An internal gear set comprising an inner rotor having a number of radially projecting cylindrical tooth members engaging a conjugate internally toothed outer rotor. The latter has one more tooth than there are tooth members on the inner rotor and is mounted eccentri...	05/10/2005
6761144	Rotary engine with counter-rotating housing and output shaft mounted on stationary spindle A counter-rotating rotary-piston engine has an output shaft with a cylindrical inner cavity rotatably mounted on a single support spindle in the frame of an aircraft. The output shaft extends substantially through the length of the engine block, which is suitably jo...	07/13/2004
6039552	Rotary compressor The present invention provides a rotary compressor capable of significantly reducing the loss attributable to mechanical friction. Since an outer rotor 2 is connected via connecting plates 4 to an inner rotor 3, when the outer rotor 2 is rotated by extern...	03/21/2000
5769620	Percussion mechanism for a tool working by percussion or rotary percussion In a rotary compressor unit an inner and an outer rotor turn in an intermeshed rotation, a compression space and a suction space being formed alternately on radially offset sides of the inner rotor. A piston moves axially back and forth within a hollow sp...	06/23/1998
5380177	Positive displacement machine with planetary motion and hypertrochoidal geometry A positive displacement machine with planetary motion and hypertrochoidal geometry, including an enclosure arrangement essentially constituted by a cylindrical piston (11), and a cylindrical enclosure (10) and by a third device in rotoidal connection with...	01/10/1995
5368456	Fluid compressor with bearing means disposed inside a rotary rod A fluid compressor with bearing means disposed inside a rotary member includes a cylinder having an inner circumferential surface therein; supporting means for rotatably supporting both ends of the cylinder; a rotary member arranged in the cylinder so as ...	11/29/1994
5351657	Modular power unit A rotary power device of modular construction is disclosed in which one or more pistons are reciprocably received in a cylinder sleeve, and the sleeve is rotatably supported in a bore within a housing. A cam and follower mechanism acting between the housi...	10/04/1994
5076768	Rotary piston compressor A rotary piston compressor with parallel internal axes has a driven external rotor (12) with a compression chamber (17) in which an internal rotor (20) is rotatably mounted. The internal rotor (20) is hollow, made of light metal, and mounted on a shaft (2...	12/31/1991
4997352	Rotary fluid compressor having a spiral blade with an enlarging section A fluid compressor includes a rotating body arranged in a cylinder to extend in the axial direction of the cylinder and eccentric thereto. A spiral groove is formed on the outer circumference of the rotating body, and a spiral blade is slidably fitted in ...	03/05/1991
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
4875842	Axial flow fluid compressor A compressor includes a cylinder, and a rotating body located in the cylinder. A spiral groove is formed on the outer periphery of the rotating body. A spiral blade is fitted in the groove and divides the space between the inner periphery of the cylinder ...	10/24/1989
4872820	Axial flow fluid compressor with angled blade A compressor includes a cylinder, and a rotary rod arranged in the cylinder. A spiral groove is formed on the outer periphery of the rotary rod. The spiral groove is formed such that its depth direction extending from the bottom of the groove to the openi...	10/10/1989
4871304	Axial flow fluid compresser A compressor includes a cylinder, and a rotating body located in the cylinder. A spiral groove is formed on the outer periphery of the rotating body. A spiral blade is fitted in the groove and divides the space between the inner periphery of the cylinder ...	10/03/1989
4684143	Two-wheeled vehicle with hydraulic transmission A two-wheeled vehicle such as a bicycle includes a variable displacement fluid pump such as a radial plunger pump provided at a crankshaft of pedals and a fixed displacement fluid motor such as a gear motor at a rear wheel or a front wheel. The fluid pump...	08/04/1987
4540356	Internal axis crankless rotary piston engine An internal axis crankless rotary piston engine with an internal rotor and an external rotor mounted eccentrically to one another, with a circularly curved path of the external rotor mounting surrounding an internal rotor shaft, wherein the path of an ext...	09/10/1985
4527968	Vane-type pump with rotatable casing therein driven from pump shaft A vane-type pump having a rotatable shaft, a cylindrical housing, a rotor secured to the shaft so as to be rotated within the housing with the center line being offset from that of the housing, and a number of vanes radially shiftably received within the ...	07/09/1985
4521169	Vane pump with intermediate rotary casing and drive clutch A vane type pump having vanes 9 slidingly confined in radial slots 8a in a rotor 8 operating eccentrically in a cylindrical casing 6 rotatably disposed in the housing 4 of the pump. A clutch 10 engages and disengages the rotor with the pump shaft 2 accord...	06/04/1985
4490101	Internally axed rotary piston engine An internally axed crankless piston engine wherein a piston rotor has at least one piston which moves through a circular annulus defined between a fixed inner casing and a fixed radially outer casing. A stopping piston is provided which defines the termin...	12/25/1984
4456442	Rotary expansible chamber device with eccentric rotor assembly including a flexible band A pump consisting in a rotor (3) realized like a housing, placed in an outer housing (2), inside the rotor a cylindrical element (6) coaxially connected thereto by means of an elastic band (23) forming lobate chambers (13,14) between the rotor and the cyl...	06/26/1984
4137019	Rotary piston machine A rotary piston machine has a cylindrical housing with inlet and outlet ports. A rotor mounted in the housing has an elongated diametric recess. A circular piston eccentrically mounted in the recess effectively reciprocates therein as the rotors turn....	01/30/1979
4036566	Fluid displacement apparatus This invention relates to a fluid displacement apparatus and, more particularly, to fluid displacement apparatus which, with suitable modifications, can be used as a pump, compressor, pneumatic or hydraulic motor or as an internal combustion engine. The f...	07/19/1977
4021158	Spherical piston machine A spherical piston machine comprises a chamber whose wall is at least partly spherical. A spherical piston, mounted within this chamber, comprises two elements, the chamber and piston delimiting a free space of variable shape. At least one of the elements...	05/03/1977
3981645	Displaced piston machine A displaced piston engine which has at least one piston received between two guide members in a cylinder, the guide members having opposed guide surfaces contacting surfaces of the piston, the contacting surfaces of the piston and guide members being arcu...	09/21/1976
3954355	Rotary energy converter The disclosure is that of an invention directed to a rotary energy converter so constructed that it may be used either as in internal or external combustion engine, a fluid pump or as a gas or air compressor. The basic configuration consists of a stationa...	05/04/1976

PatentStorm

Bizarre Patents

PatentStorm News

Class 418/164 - Rotary internal reacting member