Patent FR1555210A successfully refreshed from Google Patents.
Patent US3370610A successfully refreshed from Google Patents.
US3370610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: New York Air Brake LLC
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Filing: 1964-09-10
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Granted: 1968-02-27
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Expires: 1984-09-10
Abstract
No abstract record available.
Inventors
- 👤 Irving O Miner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:48
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/006; F; F16; F16K; F16K3/00; F16K3/02; F16K3/029; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/88022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
227 words
A FLOW METERING SIDE VALVE COMPRISING: (A) MEANS DEFINING A FLOW PATH; (B) A FIXED SLIDE VALE SEAT EXTENDING ACROSS SAID FLOW PATH AND HAVING A RECTANGULAR PORT THERETHROUGH; (C) A FIRST VALVE SLIDE HAVING TWO VALVE FACES ONE SEATED IN FACE TO FACE SEALING ENGAGEMENT ON SAID VALVE SEAT, SAID SLIDE BEING GUIDED FOR RECTILINEAR RECIPROCATING MOVEMENT ALONG A PATH PARALLEL WITH TWO SIDES OF SAID PORT; (D) A SECOND VALVE SLIDE HAVING A VALVE FACE SEATED IN FACE-TO-FACE ENGAGEMENT WITH THE OTHER VALVE FACE OF SAID FIRST VALVE SLIDE, SAID SECOND SLIDE BEING GUIDED FOR RECTILINEAR RECIPROCATING MOVEMENT AT RIGHT ANGLES TO THE FIRST SLIDE; (E) A RECTANGULAR OPENINGS THROUGH THE SECOND VALVE SLIDE HAVING TWO SIDES ALIGNED WITH SAID TWO SIDES OF SAID PORT AND THOSE SIDES OF SAID OPENING BEING EQUAL IN LENGTH TO ONE-HALF THE LENGTH OF SAID TWO SIDES OF THE PORT; (F) A PASSAGE FORMED THROUGH A FIRST SLIDE AND INCLUDING A PORTION CONGRUENT WITH SAID RECTANGULAR OPENINGS, SAID PORTION HAVING ONE SIDE ALIGNED WITH A THIRD SIDE OF SAID PORT; (G) SAID SLIDES BEING MOVABLE, INDEPENDENTLY OF EACH OTHER, BETWEEN FIRST POSITIONS IN WHICH SAID PORT, SAID OPENING AND SAID PASSAGE ARE FULLY IN REGISTER WITH ONE ANOTHER AND SECOND POSITIONS FROM WHICH BOTH SLIDES MUST BE MOVED TOWARD SAID FIRST POSITIONS IN ORDER TO OPEN SAID FLOW PATH.
Claim 2
Dependent Claim
227 words
A FLOW METERING SIDE VALVE COMPRISING: (A) MEANS DEFINING A FLOW PATH; (B) A FIXED SLIDE VALE SEAT EXTENDING ACROSS SAID FLOW PATH AND HAVING A RECTANGULAR PORT THERETHROUGH; (C) A FIRST VALVE SLIDE HAVING TWO VALVE FACES ONE SEATED IN FACE TO FACE SEALING ENGAGEMENT ON SAID VALVE SEAT, SAID SLIDE BEING GUIDED FOR RECTILINEAR RECIPROCATING MOVEMENT ALONG A PATH PARALLEL WITH TWO SIDES OF SAID PORT; (D) A SECOND VALVE SLIDE HAVING A VALVE FACE SEATED IN FACE-TO-FACE ENGAGEMENT WITH THE OTHER VALVE FACE OF SAID FIRST VALVE SLIDE, SAID SECOND SLIDE BEING GUIDED FOR RECTILINEAR RECIPROCATING MOVEMENT AT RIGHT ANGLES TO THE FIRST SLIDE; (E) A RECTANGULAR OPENINGS THROUGH THE SECOND VALVE SLIDE HAVING TWO SIDES ALIGNED WITH SAID TWO SIDES OF SAID PORT AND THOSE SIDES OF SAID OPENING BEING EQUAL IN LENGTH TO ONE-HALF THE LENGTH OF SAID TWO SIDES OF THE PORT; (F) A PASSAGE FORMED THROUGH A FIRST SLIDE AND INCLUDING A PORTION CONGRUENT WITH SAID RECTANGULAR OPENINGS, SAID PORTION HAVING ONE SIDE ALIGNED WITH A THIRD SIDE OF SAID PORT; (G) SAID SLIDES BEING MOVABLE, INDEPENDENTLY OF EACH OTHER, BETWEEN FIRST POSITIONS IN WHICH SAID PORT, SAID OPENING AND SAID PASSAGE ARE FULLY IN REGISTER WITH ONE ANOTHER AND SECOND POSITIONS FROM WHICH BOTH SLIDES MUST BE MOVED TOWARD SAID FIRST POSITIONS IN ORDER TO OPEN SAID FLOW PATH.
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) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |