US3563226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemically fueled heater
Assignee: RTX Corp
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Filing: 1969-04-24
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Granted: 1971-02-16
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Expires: 1989-04-24
Abstract
Abstract A chemically fueled heater is disclosed in which gaseous oxygen is combined with phosphorus in a reactor to generate heat for heating a fluid circulated in the reactor. The heated fluid is circulated into a heating coil or other object to be heated. Automatic controls are provided for the oxygen flow to regulate the temperature of the reaction and also to regulate the temperature of the fluid.
Inventors
- 👤 John D Rockenfeller
- 👤 Melvin L Zwillenberg
- 👤 Calvin A Gongwer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:52
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/28; F; F24; F24V; F24V30/00
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
14 words
A heating apparatus as in claim 1 in which said oxidizer is oxygen gas.
Claim 2
Dependent Claim
26 words
A heating apparatus as in claim 1 and including means responsive to the temperature of said water for regulating the flow of water through said reactor.
Claim 3
Dependent Claim
53 words
Apparatus for generating heat comprising: a reactor containing a pyrophoric material, a source of oxidizer, means for feeding said oxidizer into said reactor to produce combustion, and pressure regulating means responsive to the pressure in said reactor for regulating the flow of oxidizer into said reactor and controlling the temperature in said reactor.
Claim 4
Dependent Claim
30 words
Apparatus as in claim 4 and including an inert gas in said reactor, said pressure responsive means being responsive to the partial pressure of said inert gas in said reactor.
Claim 5
Dependent Claim
31 words
Apparatus as in claim 5 and including: means for passing a fluid through said reactor whereby said fluid is heated, and means for feeding said heated fluid to an output device.
Claim 6
Dependent Claim
19 words
Apparatus as in claim 6 and including means for recirculating the fluid from said output device into said reactor.
Claim 7
Dependent Claim
29 words
Apparatus as in claim 7 and including means for mixing said recirculated fluid with said heated fluid to regulate the temperature of the fluid flowing into said output device.
Claim 8
Dependent Claim
27 words
Apparatus as in claim 6 and including means responsive to the pressure of said fluid in said reactor for varying the setting of said pressure regulating means.
Claim 9
Dependent Claim
22 words
Apparatus as in claim 9 in which said means for varying the setting of pressure regulating means includes a piston and spring.
Claim 10
Dependent Claim
24 words
Apparatus as in claim 6 and including means responsive to the temperature of said fluid for varying the setting of said pressure regulating means.
Claim 11
Dependent Claim
24 words
Apparatus as in claim 6 and including means responsive to the temperature of said fluid for varying the flow of fluid through said reactor.
Claim 12
Dependent Claim
92 words
Apparatus for providing heat to an output device comprising: a closed reactor at least partially filled with phosphorus, a source of oxygen, means for feeding a selected amount of oxygen into said reactor to produce combustion at a selected temperature, means responsive to the pressure in said reactor for regulating the flow of oxygen into said reactor to maintain said selected temperature, means for passing a fluid through at least a portion of said reactor to provide heat to said fluid, and means for feeding said heated fluid to an output device.
Claim 13
Dependent Claim
18 words
Apparatus as in claim 13 in which a preselected volume of inert gas is incorporated in said reactor.
Claim 14
Dependent Claim
12 words
Apparatus as in claim 14 in which said inert gas is helium.
Claim 15
Dependent Claim
48 words
Apparatus as in claim 13 in which said oxygen is in gaseous form and is fed through a pressure regulator into said reactor, the pressure difference between the pressure at said regulator and the pressure in said reactor determining the flow rate of said oxygen into said reactor.
Claim 16
Dependent Claim
36 words
Apparatus as in claim 16 and including means responsive to the pressure of said fluid in said reactor for varying the pressure at said regulator and varying the flow rate of said oxygen into said reactor.
Claim 17
Dependent Claim
25 words
Apparatus as in claim 17 and including means responsive to the temperature of said fluid for varying the flow rate of fluid through said reactor.
Claim 18
Dependent Claim
33 words
Apparatus as in claim 16 and including means responsive to the temperature of said fluid for varying the pressure at said regulator and varying the flow rate of said oxygen into said reactor.
Claim 19
Dependent Claim
37 words
Apparatus as in claim 19 in which said fluid is recirculated from said output device into said reactor and in which said temperature responsive means senses the fluid temperature at the downstream end of said output device.
Claim 20
Dependent Claim
19 words
Apparatus as in claim 13 and including means for varying the temperature of fluid fed into said output device.
Claim 21
Dependent Claim
11 words
Apparatus as in claim 13 in which said fluid is water.
Claim 22
Dependent Claim
14 words
Apparatus as in claim 13 in which said output device is a diver''s suit.
Claim 23
Independent Claim
65 words
A method for heating an underwater object comprising the steps of: feeding gaseous oxygen into a closed reactor containing phosphorus to produce a reaction therebetween which generates heat, passing a fluid through said reactor to be heated therein, circulating said heated fluid to the object to be heated, and varying the flow of oxygen into said reactor in response to the pressure in said reactor.
Claim 24
Dependent Claim
28 words
A method as in claim 24 and including the step of varying the flow of fluid through said reactor in response to the temperature of said heated fluid.
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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |