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| Number | Title | Issue Date |
| 7506636 | Check value placement in an electronic returnless fuel system A fuel pump module within a fuel tank employs at least one fuel pump, while in the case of additional fuel pumps, a manifold receives all pumped fuel and directs it into a surrounding fuel filter within a filter case. A check valve is adjacent the filter case at a f... | 03/24/2009 |
| 6114791 | Commutator for motor using amorphous carbon and fuel pump unit using the same In a motor for driving a fuel pump, each contact part of a commutator which slidingly contacts brushes is made of a carbon material. The carbon material is a mixture of natural carbon and amorphous carbon so that the contact part has a longer durability. ... | 09/05/2000 |
| 6082984 | Fluid pump having pressure pulsation reducing passage A fuel pump comprises a pump unit and a motor unit. The pump unit is a trochoid gear type having rotors in a pump chamber defined by a pair of side plates and a cylindrical housing. A disk plate is attached to the side plate to provide an arcuate-shaped p... | 07/04/2000 |
| 5595160 | Fuel supply system and delivery pipe for use in same In a fuel supply system, pressurized fuel is supplied to a delivery pipe from a fuel tank and distributed to fuel injection valves. The delivery pipe includes a main pipe in which upper and lower chambers are defined by a partition wall. One of the fuel i... | 01/21/1997 |
| 5429094 | Fuel pressure regulator In a fuel pressure regulator, the interior of a housing is divided into an air chamber and a fuel chamber by a diaphragm. A throttle portion is made up of a movable valve and a valve seat provided in the fuel chamber. The valve seat includes a fuel passag... | 07/04/1995 |
