Patent US4249390A successfully refreshed from Google Patents.
US4249390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning system
Assignee: Individual
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Filing: 1979-08-23
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Granted: 1981-02-10
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Expires: 1999-08-23
Abstract
Abstract An air conditioning system for use with a hot water tank. The air conditioning system includes a first water-refrigerant heat exchanger for removing heat from compressed refrigerant and for heating water to be stored in the hot water tank, a second water-refrigerant heat exchanger for selectively removing heat from or adding heat to refrigerant, and an air-refrigerant heat exchanger for selectively removing heat from or adding heat to the refrigerant whereby air is selectively cooled or heated.
Inventors
- 👤 William M. Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:58
CPC Classifications
F; F24; F24F; F24F5/00; F24D; F24D11/00; F24D11/02; F24D11/0214; F24D11/0235; F25; F25B; F25B29/00; F25B29/003; F25B2339/00; F25B2339/04; F25B2339/047; Y; Y02; Y02B; Y02B10/00; Y02B10/70; Y02B30/00; Y02B30/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
An air conditioning system comprising, in combination: a refrigerant; a compressor means for compressing said refrigerant; a first water-refrigerant heat exchanger means for receiving said refrigerant from said compressor means and for regularly reducing the temperature of said refrigerant to below a certain predetermined degree; a hot water tank; a pump means for selectively pumping water from said hot water tank through said first water-refrigerant heat exchanger means to remove heat from said refrigerant received by said first water-refrigerant heat exchanger means; a second water-refrigerant heat exchanger means for receiving said refrigerant from said first water-refrigerant heat exchanger means; heat sensitive means for directing water through said second water-refrigerant heat exchanger means when the temperature of said refrigerant passing from said first water-refrigerant heat exchanger means to said second water-refrigerant heat exchanger means is above said certain predetermined degree; an air-refrigerant heat exchanger means for receiving said refrigerant from said first and second water-refrigerant heat exchanger means; and a blower means for blowing air across said air-refrigerant heat exchanger means causing an exchange of heat between said refrigerant being received by said air-refrigerant heat exchanger means and the air being blown across said air-refrigerant heat exchanger means to thereby condition the air being blown across said air-refrigerant heat exchanger means.
Claim 2
Dependent Claim
210 words
An air conditioning system comprising, in combination: a refrigerant; a compressor means for compressing said refrigerant; a first water-refrigerant heat exchanger means for receiving said refrigerant from said compressor means and for regularly reducing the temperature of said refrigerant to below a certain predetermined degree; a hot water tank; a pump means for selectively pumping water from said hot water tank through said first water-refrigerant heat exchanger means to remove heat from said refrigerant received by said first water-refrigerant heat exchanger means; a second water-refrigerant heat exchanger means for receiving said refrigerant from said first water-refrigerant heat exchanger means; heat sensitive means for directing water through said second water-refrigerant heat exchanger means when the temperature of said refrigerant passing from said first water-refrigerant heat exchanger means to said second water-refrigerant heat exchanger means is above said certain predetermined degree; an air-refrigerant heat exchanger means for receiving said refrigerant from said first and second water-refrigerant heat exchanger means; and a blower means for blowing air across said air-refrigerant heat exchanger means causing an exchange of heat between said refrigerant being received by said air-refrigerant heat exchanger means and the air being blown across said air-refrigerant heat exchanger means to thereby condition the air being blown across said air-refrigerant heat exchanger means.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-02-10 | 1984-08-11 | 1985-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-10 | 1988-08-11 | 1989-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-10 | 1992-08-11 | 1993-02-10 | $7700.00 | Window Closed / Lapsed |