US3150814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System and method for controlling turbine speed
Assignee: Caterpillar Inc
•
Filing: 1962-07-23
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Granted: 1964-09-29
•
Expires: 1982-07-23
Abstract
No abstract record available.
Inventors
- 👤 Lawton P Evans
- 👤 Kenneth D Probert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:53
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/20; F01D17/22; F01D17/26; F02; F02B; F02B37/00; F02B37/12; F02B37/18; F02B37/183; F02B37/186; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A SYSTEM IN COMBINATION WITH A TURBOCHARGER FOR CONTROLLING THE SPEED THEREOF, SAID TURBOCHARGER HAVING A TURBINE AND A COMPRESSOR, SAID COMPRESSOR COMPRISING A CASING ARRANGED TO SURROUND A BLADED ROTOR TO PROVIDE A FLOW SPACE THEREBETWEEN, SAID SYSTEM COMPRISING FIRST MEANS FOR DIRECTLY OBTAINING A PRESSURE RATIO BETWEEN THE STATIC PRESSURE PREVALENT IN THE FLOW SPACE IN SAID COMPRESSOR AND AT AN OUTLET THEREOF AND SECOND MEANS RESPONSIVE TO SAID PRESSURE RATIO TO REGULATE THE AMOUNT OF ACTUATING GASES DISCHARGED INTO SAID TURBINE BY BYPASSING PREDETERMINED AMOUNTS OF SAID ACTUATING GASES THEREBY IN RESPONSE TO SAID PRESSURE RATIO.
Claim 2
Independent Claim
99 words
A SYSTEM IN COMBINATION WITH A TURBOCHARGER FOR CONTROLLING THE SPEED THEREOF, SAID TURBOCHARGER HAVING A TURBINE AND A COMPRESSOR, SAID COMPRESSOR COMPRISING A CASING ARRANGED TO SURROUND A BLADED ROTOR TO PROVIDE A FLOW SPACE THEREBETWEEN, SAID SYSTEM COMPRISING FIRST MEANS FOR DIRECTLY OBTAINING A PRESSURE RATIO BETWEEN THE STATIC PRESSURE PREVALENT IN THE FLOW SPACE IN SAID COMPRESSOR AND AT AN OUTLET THEREOF AND SECOND MEANS RESPONSIVE TO SAID PRESSURE RATIO TO REGULATE THE AMOUNT OF ACTUATING GASES DISCHARGED INTO SAID TURBINE BY BYPASSING PREDETERMINED AMOUNTS OF SAID ACTUATING GASES THEREBY IN RESPONSE TO SAID PRESSURE RATIO.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |