US4611755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile air conditioner system with improved temperature control device
Assignee: Bosch Corp
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Filing: 1985-11-14
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Granted: 1986-09-16
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Expires: 2005-11-14
Abstract
Abstract A temperature control device used in an automobile air conditioner system includes a potentiometer for detecting the opening amount of an air-mix door. The potentiometer is tapped and includes at least one auxiliary resistance connected in parallel with a resistance element of the potentiometer.
Inventors
- 👤 Choshichi Miyanaga
- 👤 Yoshihiko Sakurai
- 👤 Katsumi Iida
- 👤 Akihiro Hagiwara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:09
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00642; B60H1/00814; B60H1/00821; B60H1/00835; G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1393
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
95 words
An automobile air conditioner system including an air-mix door for adjusting the temperature of air blown-off from the air conditioner system, and a temperature control device having a potentiometer including a movable contact movable in unison with said air-mix door and a resistance element along which said movable contact slides for detecting the opening amount of said air-mix door, said temperature control device comprising at least one tap disposed between opposite ends of said resistance element, and an auxiliary resistance connected at its one end with said tap and disposed parallel to said resistance element.
Claim 2
Dependent Claim
95 words
An automobile air conditioner system including an air-mix door for adjusting the temperature of air blown-off from the air conditioner system, and a temperature control device having a potentiometer including a movable contact movable in unison with said air-mix door and a resistance element along which said movable contact slides for detecting the opening amount of said air-mix door, said temperature control device comprising at least one tap disposed between opposite ends of said resistance element, and an auxiliary resistance connected at its one end with said tap and disposed parallel to said resistance element.
Claim 3
Dependent Claim
41 words
An automobile air conditioner system according to claim 1, said temperature control device further including a power source, one end of said resistance element and the other end of said auxiliary resistance being connected with an anode of said power source.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-09-15 | 1990-03-17 | 1990-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-09-15 | 1994-03-17 | 1994-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-09-15 | 1998-03-17 | 1998-09-16 | $7700.00 | Window Closed / Lapsed |