David D Grohs

US Patent:

55929745, Jan 14, 1997

Filed:

Jul 5, 1995

Appl. No.:

8/498382

Inventors:

David D. Grohs - Canton MI
Fred G. Schroeder - Grosse Ile MI
Pamela K. Blanco - Richmond IN

Assignee:

Ford Motor Company - Dearborn MI

International Classification:

F15D 102
F16L 2100

US Classification:

138 44

Abstract:

A restrictor for limiting the volume of fluid flowing from an automotive hose into a heat exchanging device in an automotive heating or air-conditioning system is disclosed. The restrictor includes a generally cylindrical, hollow body disposed in the hose and a flow limiting washer disposed in the body. The body includes an annular wall having a stepped region of reduced cross-sectional area which receives a hose clamp therein to prevent sliding and rotation of the restrictor within the hose.

US Patent:

54356997, Jul 25, 1995

Filed:

Apr 5, 1994

Appl. No.:

8/223081

Inventors:

Prakash T. Thawani - Farmington Hills MI
David D. Grohs - Canton MI
John J. Yarrish - Novi MI

Assignee:

Ford Motor Company - Dearborn MI

International Classification:

F04B 2100

US Classification:

417312

Abstract:

An accumulator for an automotive air conditioning system having a mechanism for attenuating fluid pressure pulsations and resultant noise from the air conditioning compressor is disclosed. The fluid pressure pulsation attenuating mechanism includes a predetermined number of attenuating zones formed in the outlet tube of the accumulator, each zone having a cross-sectional area of different size than the cross-sectional area of the outlet tube generally.

US Patent:

57299986, Mar 24, 1998

Filed:

Oct 16, 1996

Appl. No.:

8/732082

Inventors:

David Donald Grohs - Shelby Township MI
Fred Georg Schroeder - Gross Ile MI

Assignee:

Ford Motor Company - Dearborn MI

International Classification:

F25B 4300

US Classification:

62474

Abstract:

A heat shield for an accumulator used in automotive air conditioning systems is disclosed. The heat shield prevents overheating of the interior components of the accumulator while the accumulator is being manufactured.