US3220710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-regulating attemperator
Assignee: Ingersoll Rand Co
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Filing: 1963-04-23
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Granted: 1965-11-30
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Expires: 1983-04-23
Abstract
No abstract record available.
Inventors
- 👤 Forster Leslie Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:04
CPC Classifications
F; F22; F22G; F22G5/00; F22G5/12; F22G5/123; F01; F01K; F01K9/00; F01K9/04; Y; Y10; Y10S; Y10S261/00; Y10S261/13; Y10S261/54; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2572
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
330 words
AN ATTEMPERATOR FOR REDUCING THE TEMPERATURE AND IN PRESSURE OF FLOWING STREAM COMPRISING: (A) A PIPE FOR RECEIVING SAID STREAM; (B) SAID PIPE BEING PROVIDED WITH AN INLET SECTION FOR RECEIVING SAID STEAM, A COVERGING SECTION DISPOSED ADJACENT TO AND COMMUNICATING WITH SAID INLET SECTION REDUCING THE VOLUME OF SAID STEAM, A THROAT SECTION DISPOSED ADJACENT TO AND COMMUNICATING WITH SAID CONVERGING SECTION FOR CAUSING SAID STEAM TO REACH A VENA CONTRACTA, A DIVERGING SECTION DISPOSED ADJACENT TO AND COMMUNICATING WITH SAID THROAT SECTION TO EXPAND SAID STEAM, AND AN OUTLET SECTION DISPOSED ADJACENT TO AND COMMUNICATING WITH SAID DIVERGING SECTION TO DISCHARGE SAID STEAM FROM SAID PIPE, (1) SAID STREAM COOPERATING WITH SAID INLET SECTION AND SAID CONVERGING SECTION SECTION AND SAID THROAT SECTION AND SAID DIVERGING SECTION AND SAID OUTLET SECTION TO CREATE A PRESSURE DIFFERENTIAL BETWEEN SAID INLET SECTION AND SAID OUTLET SECTION; (C) A CONDUIT HAVING TWO ENDS AND ADAPTED TO BE CONNECTED AT ONE OF SAID ENDS TO A SOURCE OF CONDENSATE SPRAY AND HAVING THE OTHER OF SAID ENDS COMMUNICATING WITH SAID THROAT SECTION TO SUPPLY CONDENSATE SPRAY TO SAID THROAT SECTION; (1) SAID OTHER END OF SAID CONDUIT TERMINATING IN AN ORIFICE; (D) A PRESSURE CYLINDER HAVING SIDE WALLS AND BEING CONNECTED TO SAID THROAT SECTION; (E) A PISTON DISPOSED IN SAID CYLINDER; (F) SAID PISTON COOPERATING WITH SAID SIDE WALLS OF SAID PRESSURE CYLINDER TO FORM TWO PRESSURE CHAMBERS; (G) FIRST CONDUIT MEANS CONNECTING ONE OF SAID PRESSURE CHAMBERS TO SAID INLET SECTION TO PUT SAID PRESSURE CHAMBER UNDER THE INFLUENCE OF THE PRESSURE IN SAID INLET SECTION, (H) SECOND CONDUIT MEANS CONNECTING THE OTHER OF SAID PRESSURE CHAMBERS TO SAID OUTLET SECTION TO PUT SAID OTHER PRESSURE CHAMBER UNDER THE INFLUENCE OF THE PRESSURE IN SAID OUTLET SECTION; (I) A NEEDLE ATTACHED TO SAID PISTON AND EXTENDING THROUGH SAID THROAT SECTION AND THROUGH SAID ORIFICE, (J) SAID NEEDLE BEING RECIPROCATED BY SAID PISTON TO VARY THE FLOW AREA OF SAID ORIFICE.
Claim 2
Dependent Claim
330 words
AN ATTEMPERATOR FOR REDUCING THE TEMPERATURE AND IN PRESSURE OF FLOWING STREAM COMPRISING: (A) A PIPE FOR RECEIVING SAID STREAM; (B) SAID PIPE BEING PROVIDED WITH AN INLET SECTION FOR RECEIVING SAID STEAM, A COVERGING SECTION DISPOSED ADJACENT TO AND COMMUNICATING WITH SAID INLET SECTION REDUCING THE VOLUME OF SAID STEAM, A THROAT SECTION DISPOSED ADJACENT TO AND COMMUNICATING WITH SAID CONVERGING SECTION FOR CAUSING SAID STEAM TO REACH A VENA CONTRACTA, A DIVERGING SECTION DISPOSED ADJACENT TO AND COMMUNICATING WITH SAID THROAT SECTION TO EXPAND SAID STEAM, AND AN OUTLET SECTION DISPOSED ADJACENT TO AND COMMUNICATING WITH SAID DIVERGING SECTION TO DISCHARGE SAID STEAM FROM SAID PIPE, (1) SAID STREAM COOPERATING WITH SAID INLET SECTION AND SAID CONVERGING SECTION SECTION AND SAID THROAT SECTION AND SAID DIVERGING SECTION AND SAID OUTLET SECTION TO CREATE A PRESSURE DIFFERENTIAL BETWEEN SAID INLET SECTION AND SAID OUTLET SECTION; (C) A CONDUIT HAVING TWO ENDS AND ADAPTED TO BE CONNECTED AT ONE OF SAID ENDS TO A SOURCE OF CONDENSATE SPRAY AND HAVING THE OTHER OF SAID ENDS COMMUNICATING WITH SAID THROAT SECTION TO SUPPLY CONDENSATE SPRAY TO SAID THROAT SECTION; (1) SAID OTHER END OF SAID CONDUIT TERMINATING IN AN ORIFICE; (D) A PRESSURE CYLINDER HAVING SIDE WALLS AND BEING CONNECTED TO SAID THROAT SECTION; (E) A PISTON DISPOSED IN SAID CYLINDER; (F) SAID PISTON COOPERATING WITH SAID SIDE WALLS OF SAID PRESSURE CYLINDER TO FORM TWO PRESSURE CHAMBERS; (G) FIRST CONDUIT MEANS CONNECTING ONE OF SAID PRESSURE CHAMBERS TO SAID INLET SECTION TO PUT SAID PRESSURE CHAMBER UNDER THE INFLUENCE OF THE PRESSURE IN SAID INLET SECTION, (H) SECOND CONDUIT MEANS CONNECTING THE OTHER OF SAID PRESSURE CHAMBERS TO SAID OUTLET SECTION TO PUT SAID OTHER PRESSURE CHAMBER UNDER THE INFLUENCE OF THE PRESSURE IN SAID OUTLET SECTION; (I) A NEEDLE ATTACHED TO SAID PISTON AND EXTENDING THROUGH SAID THROAT SECTION AND THROUGH SAID ORIFICE, (J) SAID NEEDLE BEING RECIPROCATED BY SAID PISTON TO VARY THE FLOW AREA OF SAID ORIFICE.
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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |