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| Number | Title | Issue Date |
| 5326239 | Fluid compressor having a horizontal rotation axis There is provided a fluid compressor having a horizontal rotation axis. An oil reservoir for a lubrication oil is provided within a sealed casing. A cylinder having both end opening portions rotatably supported by bearings is housed within the casing. A r... | 07/05/1994 |
| 5286174 | Fluid compression device A fluid compressor including a sealed case having an oil bank in which oil is held, a cylinder arranged in the sealed case, a rotation body eccentrically arranged in the cylinder, a main shaft and a sub-shaft formed at each of axial end portions of the ro... | 02/15/1994 |
| 5252048 | Fluid compressor having improved Oldham mechanism A fluid compressor includes a cylinder, a rotating member eccentrically arranged in the cylinder, the rotating member having a spiral groove formed in an outer surface thereof at a gradually decreasing pitch, a spiral blade having a suction-side end porti... | 10/12/1993 |
| 5249931 | Axial flow fluid compressor with oldram coupling 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 ... | 10/05/1993 |
| 5217361 | Fluid compressor having lubrication for two spiral blade compression sections A compressor includes a casing having an oil reservoir, a cylinder situated within the casing, a cylindrical rotary body situated eccentrically within the cylinder, the rotary body having first and second spiral grooves extending in opposite directions fr... | 06/08/1993 |
| 5184940 | Fluid compressor A fluid compressor is provided which includes a closed case having a case body with an open end and cover for closing the open end of the case body to house drive compressor sections and therein. The compressor section has a cylinder having an axial line ... | 02/09/1993 |
| 5151021 | Fluid compressor with adjustable bearing support plate In a fluid compressor, a cylinder is arranged within a sealed casing. A piston having a spiral groove is placed within the cylinder. The piston is made eccentric to the cylinder such that part of the piston is put in contact with the inner peripheral surf... | 09/29/1992 |
| 5141423 | Axial flow fluid compressor with oil supply passage through rotor A compressor having a cylinder and a cylindrical rotational body housed within the cylinder. A spiral groove is formed in the outer peripheral surface of the rotational body, and a spiral blade is fitted in the groove so as to be freely retreated in and p... | 08/25/1992 |
| 5139394 | Axial flow compressor with insertable bearing mount A compressor has a cylindrical casing unit having at least one open end. A compression element includes a circular cylinder held in the casing unit, a cylindrical rotating body having at least one spiral groove on its outer periphery and eccentrically arr... | 08/18/1992 |
| 5125805 | Fluid compressor The Oldam-ring of the rotational force transmitting mechanism of a fluid compressor is engaged with the rectangular section formed on the base portion of the main shaft of the rotary rod in the direction perpendicular to the axial direction of the main sh... | 06/30/1992 |
| 5090874 | Fluid compressor A fluid compressor includes a cylinder having first and second discharge ends, in which a rotating rod is rotatably arranged. First and second spiral grooves are formed on the outer circumference of the rod, and first and second spiral blades are fitted i... | 02/25/1992 |
| 5090875 | Fluid compressor A fluid compressor includes a closed case and a cylinder which is arranged in the case and has two opposite ends. A columnar rotating rod is located in the cylinder to be eccentric thereto, and rotatable along with the cylinder. The rod has a spiral groov... | 02/25/1992 |
| 5026264 | Fluid compressor A fluid compressor includes a cylinder and a columnar rotary rod. The rod is arranged in the cylinder so as to extend in the axial direction thereof and be eccentric thereto, and orbitable relative to the cylinder without rotation with respect to the cyli... | 06/25/1991 |
| 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 |
| 4952122 | Fluid compressor A fluid compressor includes a cylindrical casing, a cylinder arranged in the casing to be rotatable and coaxial with the casing, and a columnar rotary body located in the cylinder and extending in the axial direction of the cylinder. A spiral groove is fo... | 08/28/1990 |
| 4948347 | Fluid compressor A fluid compressor includes cylinder, and a cylindrical rotating body located in the cylinder. One end of the cylinder is rotatably supported by a first bearing fixed to a case and the other end of the cylinder is slidably fitted with a second bearing. Th... | 08/14/1990 |
| 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 |
| 4802827 | Compressor A compressor includes a closed casing having a suction chamber and a discharge chamber. A rotating member is arranged in the casing and has a spiral bore extending along the axis of rotation of the rotating member. The bore has first and second end openin... | 02/07/1989 |
| 4472114 | Electric compressor An electric compressor including a cylinder having a cylinder chamber and inlet and outlet ports opening into the chamber, a piston capable of reciprocating in the chamber and having a first operative face with a first peripheral edge portion inclined at ... | 09/18/1984 |