US3943728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-cooled condenser apparatus
Assignee: York International Corp
•
Filing: 1975-03-07
•
Granted: 1976-03-16
•
Expires: 1995-03-07
Abstract
Abstract Condenser apparatus for use in air-conditioning and refrigeration systems and comprising a compressor, fan motor, fans and an enclosure having three sides provided by an inverted U-shaped condenser coil unit with its spaced end walls being provided with venturi-defining passages receiving fans which are operative to draw outside air through the passages into the enclosure and to discharge the air through the condenser coil unit.
Inventors
- 👤 Wendell E. Maudlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:14
CPC Classifications
F; F25; F25B; F25B39/00; F25B39/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A condenser - compressor unit comprising: a base member; a refrigerant compressor mounted in the central portion of said base member; an inverted, generally U-shaped heat exchange coil having a pair of generally vertically disposed leg portions and an upper connecting portion, the bottom of said leg portions being secured to said base member on opposite sides thereof with the upper connecting portion extending over said refrigerant compressor and forming a pair of open sides; a pair of oppositely disposed end panels closing the open sides of said coil member and being provided with a central opening formed with a venturi entrance; a pair of fans adjacent said openings mounted on a common drive shaft; and a motor for driving said fans to induce air flow through said venturi entrances into the space defined between said end panels, said leg portions, and said upper connecting portion, whereby air is caused to flow through substantially the entire surface of said heat exchange coil.
Claim 2
Dependent Claim
162 words
A condenser - compressor unit comprising: a base member; a refrigerant compressor mounted in the central portion of said base member; an inverted, generally U-shaped heat exchange coil having a pair of generally vertically disposed leg portions and an upper connecting portion, the bottom of said leg portions being secured to said base member on opposite sides thereof with the upper connecting portion extending over said refrigerant compressor and forming a pair of open sides; a pair of oppositely disposed end panels closing the open sides of said coil member and being provided with a central opening formed with a venturi entrance; a pair of fans adjacent said openings mounted on a common drive shaft; and a motor for driving said fans to induce air flow through said venturi entrances into the space defined between said end panels, said leg portions, and said upper connecting portion, whereby air is caused to flow through substantially the entire surface of said heat exchange coil.
References Cited (Backward Citations)
US632507A
Cited
US1887563A
Cited
US2153120A
Cited
US2175914A
Cited
US2368392A
Cited
US2478137A
Cited
US2789647A
Cited
US2963882A
Cited
US2995906A
Cited
US2959035A
Cited
US3638445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-03-16 | 1979-09-15 | 1980-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-16 | 1983-09-15 | 1984-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-16 | 1987-09-15 | 1988-03-16 | $7700.00 | Window Closed / Lapsed |