US4450900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile air conditioning unit
Assignee: Individual
•
Filing: 1981-02-19
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Granted: 1984-05-29
•
Expires: 2001-02-19
Abstract
Abstract A mobile unit for use in a remote enclosed space is disclosed. The unit not only heats or cools the air but also filters out toxic gases, it also is easily handled and extremely mobile. The unit is in the form of an open trailer comprising an air entry having a purifying means to remove toxic gases, cooling means, dehumidifying means and heating means. A ducting system from the air entry connects the purifying means, cooling means, dehumidifying means and heating means to an air exit. Fan means in the unit circulate air in the ducting system from the air entry to the air outlet, and the removable flexible conduits connect the air entry and the air exit to the enclosed space.
Inventors
- 👤 Norman Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:35
CPC Classifications
B; B60; B60H; B60H3/00; B60H1/00; B60H1/0025; B60H1/00257; F; F24; F24F; F24F1/00; F24F1/02; F24F1/04; F24F3/00; F24F3/12; F24F3/14
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
182 words
A mobile unit for use in conditioning air in a remote enclosed space having at least one opening therein, the unit being in the form of an open trailer comprising, an air entry having a purifying means to remove toxic gases, cooling means, dehumidifying means and heating means, ducting system from the air entry connecting in series the purifying means, cooling means, dehumidifying means, and heating means to an exit, fan means in the unit to circulate air in the ducting system from the air entry to the air outlet, a compressor in the ducting system connected with the cooling means and a duct from said dehumidifier through the hot section of said compressor and connected to said heater to provide a heat pump to preheat the air after cooling, an additional air inlet in the ducting system for selectively adding fresh makeup air, an exhaust fan located at the air entry, or the air exit, to remove excessive fumes from the enclosed space, and two removable flexible conduits for connecting the air entry and the air exit to the enclosed space.
Claim 2
Dependent Claim
182 words
A mobile unit for use in conditioning air in a remote enclosed space having at least one opening therein, the unit being in the form of an open trailer comprising, an air entry having a purifying means to remove toxic gases, cooling means, dehumidifying means and heating means, ducting system from the air entry connecting in series the purifying means, cooling means, dehumidifying means, and heating means to an exit, fan means in the unit to circulate air in the ducting system from the air entry to the air outlet, a compressor in the ducting system connected with the cooling means and a duct from said dehumidifier through the hot section of said compressor and connected to said heater to provide a heat pump to preheat the air after cooling, an additional air inlet in the ducting system for selectively adding fresh makeup air, an exhaust fan located at the air entry, or the air exit, to remove excessive fumes from the enclosed space, and two removable flexible conduits for connecting the air entry and the air exit to the enclosed space.
Claim 3
Dependent Claim
21 words
The mobile unit as claimed in claim 1, wherein the purifying means includes an electrostatic air cleaner for removing airborne particles.
Claim 4
Dependent Claim
28 words
The mobile unit as claimed in claim 1, wherein the heating means includes a gas fired heater and wherein containers of gas are stored on the open trailer.
Claim 5
Dependent Claim
25 words
The mobile unit as claimed in claim 3, including connection for exterior electrical power for the fan means and a compressor for the cooling means.
Claim 6
Dependent Claim
35 words
The mobile unit as claimed in claim 3, including a gasoline or diesel powered generator mounted on the open trailer to provide electrical power for the fan means and a compressor for the cooling means.
Claim 7
Dependent Claim
25 words
The mobile unit as claimed in claim 1, including means on the open trailer for electrical power connection to an external source of electrical power.
Claim 8
Dependent Claim
42 words
The mobile unit as claimed in claim 1, including means for detachably connecting the conduits to the air entry and air exit, and storage means on the platform for storing the conduits when not connected to the air entry and air exit.
Claim 9
Dependent Claim
13 words
The mobile unit according to claim 1 including a temperature and humidity recorder.
References Cited (Backward Citations)
FR1138321A
Cited
US3036382A
Cited
US3672445A
Cited
US3964458A
Cited
US3914955A
Cited
US3988131A
Cited
US4049404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-05-29 | 1987-11-28 | 1988-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-29 | 1991-11-28 | 1992-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-29 | 1995-11-28 | 1996-05-29 | $7700.00 | Window Closed / Lapsed |