US3187682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High vacuum steam ejector
Assignee: Ingersoll Rand Co
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Filing: 1963-11-01
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Granted: 1965-06-08
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Expires: 1983-11-01
Abstract
No abstract record available.
Inventors
- 👤 Harold A Bradshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:18
CPC Classifications
F; F22; F22B; F22B27/00; F22B27/16; F22G; F22G5/00; F22G5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A STREAM EJECTOR NOZZLE COMPRISING: (A) A BODY ENCLOSING A STEAM DISCHARGE PASSAGE HAVING AN INLET ORIFICE AND AN ENLARGED CHAMBER LOCATED AROUND THE INLET ORIFICE; (B) A SURFACE SURROUNDING SAID INLET ORIFICE AND EXTENDING FORWARDLY OF IT AND TRANSVERSE TO ITS AXIS; (C) A STREAM INLET CONDUIT EXTENDING INTO SAID CHAMBER AND ARRANGED TO DISCHARGE STEAM AND ANY WATER IN THE STEAM AGAINST SAID SURFACE AT A POINT LOCATED FORWARDLY OF AND RADIALLY OUTWARD FROM SAID INLET ORIFICE; (D) AND MEANS FOR DRAINING WATER FROM SAID CHAMBER BEFORE IT CAN ENTER SAID INLET ORIFICE.
Claim 2
Dependent Claim
95 words
A STREAM EJECTOR NOZZLE COMPRISING: (A) A BODY ENCLOSING A STEAM DISCHARGE PASSAGE HAVING AN INLET ORIFICE AND AN ENLARGED CHAMBER LOCATED AROUND THE INLET ORIFICE; (B) A SURFACE SURROUNDING SAID INLET ORIFICE AND EXTENDING FORWARDLY OF IT AND TRANSVERSE TO ITS AXIS; (C) A STREAM INLET CONDUIT EXTENDING INTO SAID CHAMBER AND ARRANGED TO DISCHARGE STEAM AND ANY WATER IN THE STEAM AGAINST SAID SURFACE AT A POINT LOCATED FORWARDLY OF AND RADIALLY OUTWARD FROM SAID INLET ORIFICE; (D) AND MEANS FOR DRAINING WATER FROM SAID CHAMBER BEFORE IT CAN ENTER SAID INLET ORIFICE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |