US2550126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-generator system for producing heat-treating enveloping atmospheres
Assignee: Westinghouse Electric Corp
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Filing: 1945-02-13
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Granted: 1951-04-24
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Expires: 1965-02-13
Abstract
No abstract record available.
Inventors
- 👤 Alan F Snow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:55
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/74; C21D1/76; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/382
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A SYSTEM OF A TYPE DESCRIBED FOR PRODUCING A SPECIAL ATMOSPHERE ADAPTED TO BE USED IN HEATTREATING, COMPRISING THE COMBINATION WITH A GAS-GENERATOR HAVING A GAS-PERVIOUS POROUS CATALYST, A PLURALITY OF GAS-SUPPLY MEANS FOR DIFFERENT GASES TO BE DELIVERED TO SAID GAS-GENERATOR IN RELATIVELY DEFFERENT AMOUNTS, OPERABLE MEANS OPERABLE FOR DETERMINING THE RELATIVE AMOUNTS OF SAID GASES TO BE DELIVERED TO SAID GASGENERATORE, AND MEANS RESPONSIVE TO RESISTANCE TO GAS-FLOW THORUGH SAID GAS-GENERATOR FOR CHANGING THE RELATIVE AMOUNTS OF SAID GASES DELIVERABLE TO SAID GAS-GENERATOR; OF MEANS FOR CONVEYING THE RELATIVE AMOUNTS OF SAID GASES, AS DETERMINED BY SAID OPERABLE MEANS, TO SAID GAS-GENERATOR, COMPRISING A PUMP, A BRANCH PIPE-SYSTEM INCLUDING A VARIABLE FLOW-CONTROLLING DEVICE THEREIN, BY-PASSING SAID PUMP, A PIPE-CONNECTION FROM THE OUTPUT SIDE OF SAID PUMP TO SAID GAS-GENERATOR, SAID PIPE-CONNECTION INCLUDING A SEPARATE ORIFICE MEANS, AND A SEPARATE REGULATOR CONNECTED BY SEPARATE TUBULAR PIPES ACROSS SAID ORIFICE MEANS SO AS TO BE RESPONSIVE TO THE PRESSURE DROP DIRECTLY ACROSS SAID SEPARATE ORIFICE MEANS, SAID REGULATOR HAVING ASSOCIATED THEREWITH MEANS ARRANGED TO VARY SAID FLOW-CONTROLLING DEVICE FOR PROVIDING A SUBSTANTIALLY CONSTANT GAS-FLOW TO SAID GAS-GENERATOR.
Claim 2
Independent Claim
187 words
A SYSTEM OF A TYPE DESCRIBED FOR PRODUCING A SPECIAL ATMOSPHERE ADAPTED TO BE USED IN HEATTREATING, COMPRISING THE COMBINATION WITH A GAS-GENERATOR HAVING A GAS-PERVIOUS POROUS CATALYST, A PLURALITY OF GAS-SUPPLY MEANS FOR DIFFERENT GASES TO BE DELIVERED TO SAID GAS-GENERATOR IN RELATIVELY DEFFERENT AMOUNTS, OPERABLE MEANS OPERABLE FOR DETERMINING THE RELATIVE AMOUNTS OF SAID GASES TO BE DELIVERED TO SAID GASGENERATORE, AND MEANS RESPONSIVE TO RESISTANCE TO GAS-FLOW THORUGH SAID GAS-GENERATOR FOR CHANGING THE RELATIVE AMOUNTS OF SAID GASES DELIVERABLE TO SAID GAS-GENERATOR; OF MEANS FOR CONVEYING THE RELATIVE AMOUNTS OF SAID GASES, AS DETERMINED BY SAID OPERABLE MEANS, TO SAID GAS-GENERATOR, COMPRISING A PUMP, A BRANCH PIPE-SYSTEM INCLUDING A VARIABLE FLOW-CONTROLLING DEVICE THEREIN, BY-PASSING SAID PUMP, A PIPE-CONNECTION FROM THE OUTPUT SIDE OF SAID PUMP TO SAID GAS-GENERATOR, SAID PIPE-CONNECTION INCLUDING A SEPARATE ORIFICE MEANS, AND A SEPARATE REGULATOR CONNECTED BY SEPARATE TUBULAR PIPES ACROSS SAID ORIFICE MEANS SO AS TO BE RESPONSIVE TO THE PRESSURE DROP DIRECTLY ACROSS SAID SEPARATE ORIFICE MEANS, SAID REGULATOR HAVING ASSOCIATED THEREWITH MEANS ARRANGED TO VARY SAID FLOW-CONTROLLING DEVICE FOR PROVIDING A SUBSTANTIALLY CONSTANT GAS-FLOW TO SAID GAS-GENERATOR.
References Cited (Backward Citations)
US2354634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |