Chairs and seats – With heat exchanger or means to provide fluid or vapor... – Electric heating element
Reexamination Certificate
2005-06-18
2009-11-24
Barfield, Anthony D (Department: 3636)
Chairs and seats
With heat exchanger or means to provide fluid or vapor...
Electric heating element
C219S217000, C454S120000
Reexamination Certificate
active
07621594
ABSTRACT:
The present invention discloses an air supply mechanism for a vehicle seat (12), and a method for the operation thereof. The air supply mechanism comprises a control device (24), for driving a fan (38) and a heating element (39) connected downstream of the fan (38). When the air supply mechanism is switched on, the control device (24) switches on a heating element (39) and at the same time carries out a starting control of a fan (38) in such a manner that the fan (38) starts and is operated at minimum blower speed for a predetermined period of time before the blower speed is raised to a predetermined working point and subsequently the blower speed is regulated as a function of the driving speed. In this manner, a seat occupant does not experience an initial sensation of draft due to a powerful discharge of relatively cold air but rather experiences a pleasant warmth even directly after the mechanism is switched on.
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International Search Report dated Nov. 7, 2006 including an English Translation of the pertinent portions (Twelve (12) pages).
German Office Action dated Mar. 31, 2005 (Two (2) pages).
Translator's English language abstract of JP 3-64552 U previously submitted on Jul. 2, 2008.
Mechanical English language abstract of JP 3-64552 U previously submitted on Jul. 2, 2008.
Translator's English language abstract of JP 1-99266 U previously submitted on Jul. 2, 2008.
Mechanical English language abstract of JP 1-99266 U previously submitted on Jul. 2, 2008.
Translator's English language abstract of JP 54-99241 previously submitted on Jul. 2, 2008.
Translator's English language abstract of JP 56-14713 U previously submitted on Jul. 2, 2008.
English language translation of DE 1 123 220 previously submitted on Jul. 2, 2008.
English language abstract of DE 36 09 095 previously submitted on Jul. 2, 2008.
English language translation of DE 87 00 003.2 U1 previously submitted on Jul. 2, 2008.
English language abstract of DE 39 25 809 A1 previously submitted on Jul. 2, 2008.
English language abstract of DE 34 23 657 A1 previously submitted on Jul. 2, 2008.
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Hartmann Dietmar
Pfahler Karl
Renner Lothar
Barfield Anthony D
Crowell & Moring LLP
Daimler AG
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