Heated and cooled steering wheel

Details Heated and cooled steering wheel Heated and cooled steering wheel

2011-03-22

2011-03-22

Luong, Vinh T. (Department: 3682)

Machine element or mechanism

Control lever and linkage systems

Elements

C219S204000, C219S497000, C219S535000

Reexamination Certificate

active

07908941

ABSTRACT:
A steering wheel has a ring portion, spoke portions and a hub portion. The steering wheel is provided with a thermoelectric reversible heat pump to heat or cool a fluid. A closed hydraulic circuit includes a hydraulic pump and at least one duct extending along the ring portion of the steering wheel. The fluid is heated or cooled by the thermoelectric heat pump and is circulated by the hydraulic pump within the ring portion of the steering wheel to heat or cool the ring portion.

REFERENCES:
patent: 4640340 (1987-02-01), Noda et al.
patent: 5850741 (1998-12-01), Feher
patent: 6481312 (2002-11-01), Wissel
patent: 6509552 (2003-01-01), Roske et al.
patent: 2004/0139758 (2004-07-01), Kamiya et al.
patent: 2004/0168540 (2004-09-01), Weiss
patent: 2007/0228028 (2007-10-01), Starck et al.
patent: 199 51 224 (2001-05-01), None
patent: 2682071 (1993-04-01), None
patent: 10230857 (1998-09-01), None
patent: 2006-176037 (2006-07-01), None
patent: WO 02/053400 (2002-07-01), None
patent: WO 03 047942 (2003-06-01), None
“Heating and cooling with a heat pump”, published by Canada's Office of Energy Efficiency, Dec. 2004, http://en.wikipedia.org/wiki/Heat—pump, see the illustration on p. 13.

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