Matches 1 - 50 out of 354 1 2 3 4 5 6 7 8 >
Match Document Document Title
7350500 Inverted cardioid engine  
An internal combustion engine comprising a support structure, including a tube and a hollow stator core, supported by and rigidly affixed to the tube. Additionally, a rotor assembly is...
7303380 Rotary engine with improved seal assembly  
Corner seal sockets ( 26 ) are formed at the end of apex seal slots ( 58 ) formed in a rotor ( 10 ). A twisted split washer spring ( 70 ) is positioned in each socket ( 26 ) between the base wall (...
7281513 Inverted Wankel  
An internal combustion engine comprising a support structure, including a tube and a hollow stator core, supported by and rigidly affixed to the tube. Additionally, a rotor assembly is...
7275919 Rotary engine seal assembly  
Corner seal sockets ( 26 ) are formed at the end of apex seal slots ( 58 ) formed in a rotor ( 10 ). A twisted split washer spring ( 70 ) is positioned in each socket ( 26 ) between the base wall (...
7264454 Rotary combustion engine with an improved inner seal  
A rotary combustion engine includes a peripheral housing, a front housing plate, a rear housing plate, a piston, and an eccentric shaft, where the piston rotates to form three working spaces...
7264452 Rotor position control for rotary machines  
Improved rotor position control for rotary machines allows for positioning mechanisms which are more compact, relative to the stroke of the machine. A crank having a center shaft which extends...
7234924 Rotary combustion engine with device for conveying lubricating oil  
A rotary combustion engine with one or more working units, which include a peripheral housing, a front housing plate, a rear housing plate on the output side, an eccentric shaft, and a piston,...
7117840 Rotary piston machine with an oval rotary piston guided in an oval chamber  
A rotary piston machine with a housing forming a prismatic cavity with a cavity wall. The cross section of the prismatic cavity is a cavity oval. A rotary piston is guided for rotary movement in...
7117663 Air breathing, hydrogen fueled jet engine for high speed aircraft  
A hydrogen fueled jet engine for hypersonic aircraft. The compressor of the jet engine is driven directly by a dual-acting rotary piston engine. Heated, high pressure hydrogen is delivered to the...
7001162 Compressor assembly  
A guided rotor compressor that contains at least three hollow rollers, each of which has a sheath surrounding a core. The coefficient of friction of the sheath and the core is from about 0.01 to...
6983729 Rotary piston machine  
A rotary piston machine having a housing defining a prismatic chamber the cross section of which forms an oval of odd order. A rotary piston is guided in the chamber and, in each position,...
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...
6892692 Rotary piston engine and method of operation  
The present invention relates to a design and method of operation of an improved rotary piston engine. In particular, a preferred embodiment of the present invention is directed to a rotary engine...
6887053 Rotary piston engine in trochoidal design  
In a rotary piston engine in trochoidal design with a rotor housing, made of light metal, and with side parts, which are made of light metal, it is provided that the bearing bodies are connected in...
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...
6672065 Multiple stage compressor with rotors using rollers  
A multistage compressor assembly containing at least two guided rotor compressor stages, each of which contains an eccentric mounted on a shaft located within a housing, a rotor mounted on the...
6575719 Planetary rotary machine using apertures, volutes and continuous carbon fiber reinforced peek seals  
Apertures through each face of a planetary rotor, volutes for low loss delivery and collection of fluid to and from the working volumes of a planetary rotary pump, compressor, or turbine, and zero...
6520754 Compressor unit for refrigeration  
A compressor for a refrigeration unit having a stator, a rotor orbiting in engagement with the stator to cyclically open, fill with refrigerant gas from at least one inlet port, compress and...
6481989 Trochoidal design rotary piston engine and method of making same  
In a trochoidal design rotary piston engine, side disks are intended to be assembled from one cast side section and a cover disk, where the side section and the cover disks are used in a sealing...
6474965 Rotary piston engine having a cogwheel pump and an oil metering pump  
A trochoidal design rotary piston engine design has an external axis cogwheel oil pump which has a smaller diameter drive cogwheel which drives a larger diameter size cogwheel where the larger...
6213744 Phased rotary displacement device  
A rotary device containing a housing with two side plates, a shaft, an eccentric connected to the shaft, a rotor mounted on the shaft, a first gear, and a second gear. The rotor contains at least 3...
6168405 Wankel type pump for transporting fluid with entrained particulate matter  
A quiet, inexpensive pump especially adapted for transporting fluid having particulate matter entrained therein comprises a one-piece housing having a chamber therein with an epitrochoidal planform...
6158992 Rotary pump having a substantially triangular rotor  
A rotary pump includes a substantially triangular rotor rotatably arranged in a housing and including vertexes which are in slide contact with a trochoid curved surface of the inner periphery of...
6146120 Rotary engine having an improved rotor structure  
A rotary engine includes a rotary shaft, a rotary piston carried by the shaft, a bearing structure supporting the shaft on one side of the rotary piston and a counterweight carried by the shaft on...
6106250 Lobed-rotor-type pump having a communication passage between working-fluid chambers  
A lobed rotor-type pump has a drive shaft, a pump housing, an eccentric rotor journal, a rotor, three working-fluid chambers, intake and discharge ports, and a communication passage. The pump...
6093004 Pump/motor apparatus using 2-lobe stator  
A pump or motor having a three-lobed rotor capable of being used within a hypocycloidal two-lobed stator that is designed primarily for use with a one-lobed rotor. The three-lobed rotor design...
6014791 Quiet vacuum cleaner using a vacuum pump with a lobed chamber  
A vacuum cleaner has a vacuum pump with a housing including a lobed chamber having an epitrochoidal planform satisfying the equation x=(a+b)cos (t)-ccos ((a/b+1)t), and y=(a+b)sin...
6006519 Compressed air-powered engine  
An internal combustion engine is disclosed that runs efficiently on compressed air supplied by air compressors. The preferred power plant for the instant invention air powered engine is the...
5944499 Rotor-type pump having a communication passage interconnecting working-fluid chambers  
A rotor-type pump comprises a housing having a trochoidal curved surface and an intake port and a discharge port. A drive shaft is mounted rotatably about a first axis in the housing. A rotor...
5769619 Tracked rotary positive displacement device  
A rotary device containing a housing with a curved inner surface in the shape of a trochoid and an interior wall, an eccentric mounted on a shaft disposed within the housing, a rotor mounted on the...
5431551 Rotary positive displacement device  
A rotary device containing a housing having a curved inner surface with a profile equidistant from an trochoidal curve, an eccentric mounted on a shaft disposed within the housing, a rotor mounted...
5410998 Continuous external heat engine  
A thermal engine utilizing a positive displacement rotary expander and preferably a positive displacement rotary compressor in conjunction with an external substantially steady-state thermal...
5399078 Planetary-motion engine  
In a rotary-piston engine, the contour of a normal section of the piston is either a composite trochoid or a translated composite trochoid. Each vertex of the normal section is either a generating...
RE34876 Rotary internal combustion engine  
A rotary internal combustion engine which principally consists of a two, three or four, either radially curved or flat, apex rotor and a radially arcaded or curved epicyclic or two or three lobed...
5391067 Rotary fluid displacement device  
A rotary fluid displacement device having no indexing gearing between the rotor and the crankshaft therefor. Housing and rotor shapes are determined by equations, so that the rotor is guided at...
5388428 Gas expansion refrigeration system  
A refrigeration system in which a compressed gas such as air is utilized in a rotary motor which enables the gas to expand for extracting heat by combining with or coming into contact with ambient...
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...
5362219 Internal combustion engine with compound air compression  
A rotary air compressor with a housing forming an epitrochoidal chamber in which a multilobed rotor with a ring gear eccentrically rotates on an internal central gear in the housing, the rotor...
5310325 Rotary engine with eccentric gearing  
A rotary engine having a three apex rotor rotatably and eccentrically mounted on a driven shaft. The rotor having a central internal ring gear meshing with an eccentrically mounted pinion gear. The...
5259739 Non-reciprocating multi-piston engine  
A mechanism for providing motive power consisting of a plurality of rotary-type pistons fitted into chambers uniformly situated about the axis of the engine in a housing for improving the effective...
5251596 Two stroke rotary internal combustion engine  
A two-stroke cycle rotary internal combustion engine of the Wankel type is disclosed. The engine provides a flow through intake and exhaust with intake ports on one side wall of an epitrochoidal...
5199863 Sealing of an eccentric bearing of a rotary piston internal combustion engine  
A rotary piston internal combustion engine of trochoidal type of construction with a piston slidably journalled and controlled via a synchronous transmission gear drive unit. An eccentric bearing...
5100309 Cooling medium pump of a rotary piston internal combustion engine  
An arrangement of a cooling medium pump of a rotary piston internal combustion engine of trochoidal-type of construction with a fluid or liquid cooled housing, with which the cooling medium is...
5049049 Rotary piston internal combustion engine  
A rotary piston internal combustion engine of trochoidal-type of construction with a slidably journalled piston controlled by a synchronous transmission gear drive unit, with which the synchronous...
5024590 Rotary engine of the type having a planetary rotor with rotor and shaft equal rotation  
A rotary engine, such as a rotary internal combustion engine, a rotary pump, a rotary compressor or the like, comprises a housing defining a cavity with a n-lobed epitrochoidal shaped wall, a n+l...
5011385 Bearing- and drive arrangement of a rotary piston internal combustion engine  
A bearing arrangement and drive transmission arrangement of a rotary piston internal combustion engine having trochoidal-shaped casing mantle raceway surfacing and having a triangular piston...
4971533 Piston of a rotary piston engine  
A piston of a rotary piston engine of trochoidal type of construction, which is radially divided and the parts of which are connected shiftable axially against each other via axial guide bolts and...
4940400 Lubrication system for a rotary-piston internal combustion engine  
A lubrication system for a rotary-piston internal combustion engine of the trochoid type with a multi-arc-shaped trochoidal surface and a multi-cornered piston supported on a roller bearing. A...
4898522 System for cooling the rotary engine rotor  
An improved cooling system for a rotary engine rotor, having coolant channels provided between the rotor body and the rotor bearing race. The coolant channels interconnect coolant passages provided...
4850827 Cooling system of an eccentric shaft of a rotary piston internal combustion engine  
A triangular piston is journalled rotating in a planetary manner upon an eccentric of an eccentric shaft journalled in a housing of a rotary piston internal combustion engine of trochoidal type of...
Matches 1 - 50 out of 354 1 2 3 4 5 6 7 8 >