Patent US3630040A successfully refreshed from Google Patents.
US3630040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioner
Assignee: Individual
•
Filing: 1970-06-12
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Granted: 1971-12-28
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Expires: 1990-06-12
Abstract
Abstract An air conditioner for a vehicle having an air washer and filter for supplying moisturized clean air to a screw-type of compressor which compresses the air and feeds it to a vortex tube. The coldair outlet from the vortex tube is connected to a heat exchanger to enable the cold air passed from the vortex tube to the heat exchanger to ultimately cool the vehicle cabin.
Inventors
- 👤 Fred A Goldfarb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:38
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/32; B60H1/3204
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
128 words
An air conditioner comprising a combined air cleaner and moisturizer for cleaning and moisturizing air; a compressor for compressing the cleaned and moisturized air; first connecting means for connecting the cleaned and moisturized air from the air cleaner and moisturizer to the compressor; a vortex tube having an input tube, a first output tube for discharging cooled air, and a second output tube for discharging hot air; second connecting means for connecting said compressor to the input tube of said vortex tube for transmitting compressed air to said vortex tube; a heat exchanger; third connecting means for connecting either said first output tube or said second output tube of said vortex tube to said heat exchanger to thereby enable said heat exchanger to discharge cooled or heated air.
Claim 2
Dependent Claim
128 words
An air conditioner comprising a combined air cleaner and moisturizer for cleaning and moisturizing air; a compressor for compressing the cleaned and moisturized air; first connecting means for connecting the cleaned and moisturized air from the air cleaner and moisturizer to the compressor; a vortex tube having an input tube, a first output tube for discharging cooled air, and a second output tube for discharging hot air; second connecting means for connecting said compressor to the input tube of said vortex tube for transmitting compressed air to said vortex tube; a heat exchanger; third connecting means for connecting either said first output tube or said second output tube of said vortex tube to said heat exchanger to thereby enable said heat exchanger to discharge cooled or heated air.
Claim 3
Dependent Claim
16 words
The device as described in claim 1 wherein said compressor is a screw type of compressor.
Claim 4
Dependent Claim
16 words
The device as described in claim 2 wherein said screw type of compressor is moisture lubricated.
Claim 5
Dependent Claim
25 words
The device as described in claim 3 wherein said screw type of compressor contains a single stage having a drive screw and a roller screw.
Claim 6
Dependent Claim
21 words
The device as described in claim 1 wherein said air cleaner contains a moisturized filter arranged in said first connecting means.
Claim 7
Dependent Claim
16 words
The device as described in claim 5 wherein said compressor is a screw type of compressor.
Claim 8
Dependent Claim
16 words
The device as described in claim 6 wherein said screw type of compressor is moisture lubricated.
Claim 9
Dependent Claim
25 words
The device as described in claim 7 wherein said screw type of compressor contains a single stage having a drive screw and a roller screw.
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) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |