Patent US4155225A successfully refreshed from Google Patents.
US4155225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioner control means
Assignee: Individual
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Filing: 1977-09-23
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Granted: 1979-05-22
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Expires: 1997-09-23
Abstract
Abstract In abstract, a preferred embodiment of this invention is a control means for vehicular type air conditioning systems wherein when a vehicle reaches a certain incline a preset switch will open thereby shutting off the air conditioning system of the vehicle until a more level inclination is reached. Additionally, a manual bypass is provided as is a level adjustment for the switch.
Inventors
- 👤 Thomas B. Upchurch, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:56
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00642; B60H1/00735; B60H1/00764
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
111 words
In an engine powered vehicle, a means for regulating an engine driven, electrically controlled accessory comprising: an incline sensing means mounted on said vehicle and including a switch means which will open when a predetermined incline is reached and will close at a predetermined near level or down hill disposition is reached; and means for operatively connecting said sensing switch means into the electrical control circuit of said accessory whereby when said vehicle becomes disposed in a predetermined incline, said sensing switch means will shut off said accessory and when a predetermined near level or down hill disposition is reached, said switch will close thereby allowing said accessory to be driven.
Claim 2
Dependent Claim
111 words
In an engine powered vehicle, a means for regulating an engine driven, electrically controlled accessory comprising: an incline sensing means mounted on said vehicle and including a switch means which will open when a predetermined incline is reached and will close at a predetermined near level or down hill disposition is reached; and means for operatively connecting said sensing switch means into the electrical control circuit of said accessory whereby when said vehicle becomes disposed in a predetermined incline, said sensing switch means will shut off said accessory and when a predetermined near level or down hill disposition is reached, said switch will close thereby allowing said accessory to be driven.
Claim 3
Dependent Claim
15 words
The means of claim 1 wherein said sensing and switch means is a mercury switch.
Claim 4
Dependent Claim
13 words
The means of claim 1 wherein said accessory is an air conditioning system.
Claim 5
Dependent Claim
19 words
The means of claim 3 wherein said air conditioning accessory includes an electromagnetic clutch operated by said electrical control.
Claim 6
Dependent Claim
16 words
The means of claim 1 wherein said sensing switch means is adjustably mounted on said vehicle.
Claim 7
Dependent Claim
25 words
The means of claim 5 wherein said adjusting means is a screw threadingly mounted on one end of a pivotable arm carrying said sensing means.
Claim 8
Dependent Claim
33 words
The means of claim 1 wherein a delay switch is provided in said switch circuit whereby rapid opening and closing of said switch means will not adversely effect the operation of said accessory.
Claim 9
Dependent Claim
18 words
The means of claim 1 wherein a manually operated bypass switch is provided to override said sensing switch.
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) | 1982-05-21 | 1982-11-20 | 1983-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-05-21 | 1986-11-20 | 1987-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-05-21 | 1990-11-20 | 1991-05-22 | $7700.00 | Window Closed / Lapsed |