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US3299906A Expired / Lapsed US ⏱️ 0.0 years remaining

Peaking valve system

Assignee: Unisys Corp
•
Filing: 1964-03-20
•
Granted: 1967-01-24
•
Expires: 1984-03-20
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Robert T Smith
  • 👤 Trevor D Reader

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 21:23
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/12; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86381; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/8671; Y10T137/86879

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 217 words
A FLUID PRESSURE PEAKING SYSTEM WHICH COMPRISES: (A) A FLUID UTILIZATION CHAMBER RESTRICTIVELY COMMUNICATING WITH FLUID OF A PREDETERMINED FIRST PRESSURE VALUE; (B) A SOURCE OF FLUID HAVING A SUBSTANTIALLY CONSTANT SECOND PRESSURE VALUE DIFFERENT FROM SAID FIRST PRESSURE VALUE; (C) A FLUID STORAGE CHAMBER HAVING A FIRST OPENING CONNECTED WITH SAID FLUID SOURCE AND A SECOND OPENING CONNECTED WITH SAID UTILIZATION CHAMBER; AND (D) FLUID FLOW REGULATING MEANS SELECTIVELY ACTUABLE TO EITHER A FIRST OR A SECOND STATE TO PERMIT EITHER FULL OR RESTRICTED FLUID FLOW THROUGH SAID FIRST OPENING, RESPECTIVELY, AND EITHER NO OR FULL FLUID FLOW THROUGH SAID SECOND OPENING, RESPECTIVELY, WITH THE VOLUMES OF SAID STORAGE CHAMBER AND SAID UTILIZATION CHAMBER RELATIVE TO THE MAGNITUDES OF SAID FULL AND RESTRICTED FLUID FLOWS BEING SUCH THAT SAID STORAGE CHAMBER TEMPORARILY ACTS AS A SOURCE FOR SAID UTILIZATION CHAMBER OF FLUID AT SUBSTANTIALLY SAID SECOND PRESSURE VALUE WHEN SAID FLUID FLOW REGULATING MEANS IS INITIALLY ACTUATED FROM ITS SAID FIRST TO ITS SAID SECOND STATE UNTIL SUCH TIME AS WHEN THE PRESSURE IN SAID UTILIZATION CHAMBER AT LEAST REACHES A PREDETERMINED THRESHOLD PRESSURE VALUE, AFTER WHICH SAID STORAGE CHAMBER FINALLY ACTS AS A SOURCE FOR SAID UTILIZATION CHAMBER OF FLUID AT SUBSTANTIALLY A STEADY STATE PRESSURE VALUE WHICH IS DIFFERENT FROM SAID SECOND PRESSURE VALUE.
Claim 2
Dependent Claim 217 words
A FLUID PRESSURE PEAKING SYSTEM WHICH COMPRISES: (A) A FLUID UTILIZATION CHAMBER RESTRICTIVELY COMMUNICATING WITH FLUID OF A PREDETERMINED FIRST PRESSURE VALUE; (B) A SOURCE OF FLUID HAVING A SUBSTANTIALLY CONSTANT SECOND PRESSURE VALUE DIFFERENT FROM SAID FIRST PRESSURE VALUE; (C) A FLUID STORAGE CHAMBER HAVING A FIRST OPENING CONNECTED WITH SAID FLUID SOURCE AND A SECOND OPENING CONNECTED WITH SAID UTILIZATION CHAMBER; AND (D) FLUID FLOW REGULATING MEANS SELECTIVELY ACTUABLE TO EITHER A FIRST OR A SECOND STATE TO PERMIT EITHER FULL OR RESTRICTED FLUID FLOW THROUGH SAID FIRST OPENING, RESPECTIVELY, AND EITHER NO OR FULL FLUID FLOW THROUGH SAID SECOND OPENING, RESPECTIVELY, WITH THE VOLUMES OF SAID STORAGE CHAMBER AND SAID UTILIZATION CHAMBER RELATIVE TO THE MAGNITUDES OF SAID FULL AND RESTRICTED FLUID FLOWS BEING SUCH THAT SAID STORAGE CHAMBER TEMPORARILY ACTS AS A SOURCE FOR SAID UTILIZATION CHAMBER OF FLUID AT SUBSTANTIALLY SAID SECOND PRESSURE VALUE WHEN SAID FLUID FLOW REGULATING MEANS IS INITIALLY ACTUATED FROM ITS SAID FIRST TO ITS SAID SECOND STATE UNTIL SUCH TIME AS WHEN THE PRESSURE IN SAID UTILIZATION CHAMBER AT LEAST REACHES A PREDETERMINED THRESHOLD PRESSURE VALUE, AFTER WHICH SAID STORAGE CHAMBER FINALLY ACTS AS A SOURCE FOR SAID UTILIZATION CHAMBER OF FLUID AT SUBSTANTIALLY A STEADY STATE PRESSURE VALUE WHICH IS DIFFERENT FROM SAID SECOND PRESSURE VALUE.

References Cited (Backward Citations)

US2633324A Cited
US2920651A Cited
GB863082A Cited
US3152612A Cited
US2974643A Cited
US3093283A Cited
US3204662A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-23 1970-07-25 1971-01-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-23 1974-07-25 1975-01-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-23 1978-07-25 1979-01-24 $7700.00 Window Closed / Lapsed

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