Thomas R Patterson

US Patent:

57353093, Apr 7, 1998

Filed:

Apr 29, 1996

Appl. No.:

8/641164

Inventors:

Dean Albert Kariniemi - Plymouth MI
Thomas Scott Patterson - Ann Arbor MI

Assignee:

Detroit Diesel Corporation - Detroit MI

International Classification:

F16K 3112

US Classification:

13750546

Abstract:

A gaseous fuel pressure regulator includes a moveable diaphragm that subdivides the regulator housing into a pressurized gas chamber and a reference pressure control chamber. A coil spring in the control chamber exerts a control force on the diaphragm in opposition to the gaseous fuel pressure that is to be regulated. The diaphragm is connected to a lever that carries a poppet valve element associated with a gaseous fuel inlet port supplying unregulated pressurized gaseous fuel to the gas chamber. An arcuate baffle structure partially surrounds the inlet port, such that gaseous fuel flow is directed from the inlet port toward the gas chamber central axis, instead of flowing directly from the inlet port to a nearby outlet port. Tolerance variations on the manufactured components are overcome by the provision of a spring force adjustment structure, that can comprise a hollow tower carried on the cover of the regulator; and adjustment screw is mounted in the tower to adjust the position of a cup-shaped spring seat. Adjustment of the screw can be used to maintain a desired gaseous fuel output pressure, in spite of tolerance stack-up that might otherwise adversely affect performance of the regulator.

US Patent:

56880154, Nov 18, 1997

Filed:

Jun 17, 1996

Appl. No.:

8/664945

Inventors:

Thomas M. Patterson - Taylor MI
Richard F. Biermacher - Goodrich MI
Gary K. Mannke - Grosse Ile MI

Assignee:

Chrysler Corporation - Auburn Hills MI

International Classification:

B32B 328
B60R 2700

US Classification:

296 391

Abstract:

A liner made of water sealing material is formed with a plurality of pockets. Each pocket is cut, and then the liner disposed next to the door with a respective pocket positioned over a component of a vehicle door to be sealed, e. g. , a lock shaft. The pocket is collapsed around the component such that the excess material established by the now-collapsed pocket overlaps around the component, thereby establishing a water seal around the component.