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| Application No. | Application Title | Issue Date |
| 20120014826 | ROTARY PISTON ENGINE The invention relates to a rotary piston engine comprising at least two rotors, a power component and a blocking component, which interact and which have spur gearings the number of teeth of which differs by one tooth, the rotors and an engine housing accommodating the ... | 01/19/2012 |
| 20120003113 | SCREW COMPRESSOR A screw compressor includes a casing, a screw rotor, an oil sump containing lubricant oil, a lubrication passage and a flow rate controller. The screw rotor is inserted in a cylinder portion of the casing to form a fluid chamber. The screw rotor rotates to suck a fluid ... | 01/05/2012 |
| 20110165009 | GATE ROTOR AND SCREW COMPRESSOR The present invention provides a screw compressor wherein, even if a gate rotor flexes owing to a temperature differential between a casing and a screw rotor during operation of a compressor, the gate rotor is prevented, with a simple configuration, from biting into the... | 07/07/2011 |
| 20110097232 | SINGLE SCREW COMPRESSOR AND A METHOD FOR PROCESSING A SCREW ROTOR In a screw rotor (40), a first suction-side area (45) is formed in a first side wall surface (42) of a spiral groove (41). In the first side wall surface (42), a portion extending from a start point to a point until immediately before ... | 04/28/2011 |
| 20100329918 | SCREW COMPRESSOR A screw compressor includes a screw rotor, a gate rotor and an injection mechanism. The screw rotor is provided with multiple helical grooves. The gate rotor is provided with multiple gates meshing with the helical grooves to form at least one compression chamber betwee... | 12/30/2010 |
| 20100290940 | 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 b... | 11/18/2010 |
| 20100278678 | SCREW COMPRESSOR A screw compressor includes a casing having a cylinder, a cylindrical-shaped screw rotor disposed in the cylinder, a gate rotor and a seal portion. The screw rotor has a plurality of spiral-shaped groove portions formed in an outer peripheral surface. The gate rotor has... | 11/04/2010 |
| 20100278677 | SINGLE-SCREW COMPRESSOR A single-screw compressor includes a casing, a screw rotor accommodated in the casing, a gate rotor, and a gate rotor supporting member rotatably supporting the gate rotor. The gate rotor includes a plurality of flat-plate-shaped gates formed in a radial pattern and mes... | 11/04/2010 |
| 20100260637 | SINGLE-SCREW COMPRESSOR A single-screw compressor includes a screw rotor including a spiral groove, a casing, and a gate rotor. The gate rotor includes a plurality of radial gates configured to mesh with the spiral groove. A clearance between one of the gates disposed in the spiral groove and ... | 10/14/2010 |
| 20100247364 | SINGLE SCREW COMPRESSOR STRUCTURE A single screw compressor structure includes a screw rotor and a casing. The screw rotor has a plurality of helical grooves formed in an outer peripheral surface thereof. The a casing houses the screw rotor. The screw rotor includes a main tapered portion having a taper... | 09/30/2010 |
| 20100104462 | PUMP OR MOTOR The invention relates to a pump or motor for liquid or gaseous media. The pump or motor has a shaft, which faces a working part, and has a common inclined sliding surface with the working part. The working part which limits the pump working chambers, wobbles in a positi... | 04/29/2010 |
| 20100074786 | INDEXED POSITIVE DISPLACEMENT ROTARY MOTION DEVICE An indexing system for a rotor assembly where the indexing system can regulate the rotational location of drive rotors that are configured to rotate about a shaft in one form.... | 03/25/2010 |
| 20100074785 | COMPRESSOR A compressor includes a screw rotor and a gate rotor arranged to form a compression chamber. The screw rotor has an outer circumferential surface with at least one groove portion. The gate rotor has a plurality of tooth portions. Preferably, a first plane contains the s... | 03/25/2010 |
| 20100034680 | Rotary Piston Machine An electrically driven rotary piston machine which operates as a rotary piston pump or rotary piston compressor wherein the rotary piston machine has a basic housing, which holds an electrical coil and pump head, wherein the pump working space is preferably bounded by a... | 02/11/2010 |
| 20080219876 | Rotary Piston Machine A rotary piston machine includes a driving part driven by an electric motor, and a driven part that have mutually engaging end-face denticulation for delivering a medium, the driving part and the driven part being housed in a machine housing and connected to the machine... | 09/11/2008 |
| 20080202466 | Rotary internal combustion engine and rotary compressor The rotary internal combustion engine is a rotary internal combustion engine that uses the unique combination of multiple rotors on a vertical axis with piston vanes, which are intersected by horizontally oriented valve rings so that rotating rotors intersect gaps on th... | 08/28/2008 |
| 20070207049 | Twin-plate rotary compressor A rotary, twin-plate compressor has two conical plates (100, 200) rotating relative to each other about respective rotation axes (102, 202) within a casing. There is line contact (90) between the two conical surfaces (120, 220) of the plates ... | 09/06/2007 |
| 20060257278 | Blade-thru-slot combustion engine, compressor, pump and motor This is simple and efficient rotary machine that can be implemented as compressor, pump, motor and mainly as internal combustion engine. The engine comprises a housing, a rotor(s) with a radial blade(s), a chamber(s) swept by the blade(s), an intersecting planar valve(s... | 11/16/2006 |
| 20060231062 | Orbital engine An engine is disclosed including at least one piston which is positioned within a toroidal piston chamber. A method of operating an engine is disclosed wherein a piston is advanced in a toroidal piston chamber past a first valve and the first valve is closed to form a f... | 10/19/2006 |
| 20060191499 | Oscillating-piston machine An oscillating-piston machine comprises a housing, in which a first and at least a second piston are arranged, which pistons can together revolve in the housing about an axis of rotation that is fixed with respect to the housing, and which pistons, as they revolve about... | 08/31/2006 |
| 20060171836 | Twin piston fluid compressor or pump apparatus with an annular bore housing An apparatus to pump fluid comprises an annular bore (12) and at least one pair of pistons (15, 16) which travel along the bore (12). The pistons (15, 16) can be releasably locked to a rotating plate like member (14) to travel through ... | 08/03/2006 |
| 20050175493 | Rotary piston machines comprising a displaceable inner housing In a rotary piston machine with an inner housing and rotors, the axes of the rotors are disposed at an angle to one another in order to equalize manufacturing tolerances and to reduce gap losses of such machines. ... | 08/11/2005 |
| 20050123429 | Compressor and a method for compressing fluid A compressor and a method for compressing fluid according to which a liner is disposed on the inner wall of a housing defining a bore. At least one slot and at least one discharge port are provided in the liner. A rotor is rotated in the housing with its outer surface i... | 06/09/2005 |
