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| Number | Title | Issue Date |
| 6162030 | Zero leakage valveless positive fluid displacement device A Positive Fluid Displacement Device (PFDD) with a removable Fluid Displacement Module (FDM) having two opposing pistons connected to a drive block. The drive block slides over a crankpin bearing in assembly to provide orbital piston motion. Opposing cyli... | 12/19/2000 |
| 5899675 | Pump comprising a chamber with inlet and outlet openings, a steam iron comprising said iron and a method of manufacturing said pump A pump 1 comprises a chamber 2 having a inlet opening 22 and an outlet opening 21. The chamber 2 extends between a first main wall 30 and a second main wall 40. The first main wall 30 is a triangular bottom wall of a body 3. The second main wall 40 is a p... | 05/04/1999 |
| 5316454 | Fluid pump and rotary machine having said fluid pump An inexpensive, efficient pump which can supply lubricating oil uses the revolving motion of an orbiting scroll 2. The pump is so constructed that a piston supported by a fixing member 1 is fitted in a cylinder chamber 102 formed in the inner surface of t... | 05/31/1994 |
| 5071325 | Combination primer and mixture enrichment device The present invention is a fuel primer pump capable of manually injecting fuel into the carburetor of an internal combustion engine, and is adapted to include both enrichment and shut-off positions. The primer pump includes a housing sealed at one end by ... | 12/10/1991 |
| 4904162 | Fuel supplying pump A fuel supplying pump having a switching circuit provided in the pump closing. The switching circuit stops the pump when an engine stops rotating due, for instance, to a fuel pipe breakage. The circuit having a transistor with a base connected to an oil p... | 02/27/1990 |
| 4561828 | Pump for forwarding liquids A pump for forwarding liquids is described which has at least one pump chamber with inlet and outlet valves and also a plunger which periodically varies the volume of the pump chamber. To avoid the problems of dry running with very rapidly running pumps, ... | 12/31/1985 |
| 4003968 | Charge forming method and apparatus The disclosure embraces a charge forming apparatus or carburetor and method of operation thereof wherein the charge forming apparatus is of modular construction and is inclusive of a body construction and a fluid flow control construction associated with ... | 01/18/1977 |
