US3147827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-damped valve
Assignee: Individual
•
Filing: 1962-06-08
•
Granted: 1964-09-08
•
Expires: 1982-06-08
Abstract
No abstract record available.
Inventors
- 👤 Weisheit Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:34
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K47/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A DEVICE FOR DAMPING DISPLACEMENT BETWEEN RELATIVELY MOVABLE ELEMENTS, IN COMBINATION, A HOUSING CONNECTED TO ONE OF SAID ELEMENTS AND FORMED WITH A CHAMBER FOR A DAMPING LIQUID, A DAMPING MEMBER DISPLACEABLY RECEIVED IN SAID CHAMBER AND SUBDIVIDING IT TRANSVERSELY INTO TWO COMPARTMENTS, THROTTLE MEANS COMMUNICATING BETWEEN SAID COMPARTMENTS, AND AN ACTUATING ROD SLIDABLY RECEIVED IN SAID HOUSING WHILE EXTENDING INTO SAID CHAMBER AND BEING OPERATIVELY CONNECTED WITH THE OTHER OF SAID ELEMENTS, SAID ROD BEING SECURED TO SAID MEMBER FOR DISPLACING SAME WITHIN SAID CHAMBER UPON RELATIVE DISPLACEMENT OF SAID ELEMENTS, SAID HOUSING BEING FORMED WITH AN ANNULAR FURTHER COMPARTMENT FOR SAID LIQUID SURROUNDING SAID ROD ADJACENT SAID CHAMBER AND COMMUNICATING THEREWITH ONLY ALONG SAID ROD WHEREBY SAID ROD ENTRAINS A FILM OF SAID LIQUID FROM SAID FURTHER COMPARTMENT INTO SAID CHAMBER UPON DISPLACEMENT OF SAID ROD THROUGH SAID FURTHER COMPARTMENT TOWARD SAID CHAMBER.
Claim 2
Dependent Claim
146 words
IN A DEVICE FOR DAMPING DISPLACEMENT BETWEEN RELATIVELY MOVABLE ELEMENTS, IN COMBINATION, A HOUSING CONNECTED TO ONE OF SAID ELEMENTS AND FORMED WITH A CHAMBER FOR A DAMPING LIQUID, A DAMPING MEMBER DISPLACEABLY RECEIVED IN SAID CHAMBER AND SUBDIVIDING IT TRANSVERSELY INTO TWO COMPARTMENTS, THROTTLE MEANS COMMUNICATING BETWEEN SAID COMPARTMENTS, AND AN ACTUATING ROD SLIDABLY RECEIVED IN SAID HOUSING WHILE EXTENDING INTO SAID CHAMBER AND BEING OPERATIVELY CONNECTED WITH THE OTHER OF SAID ELEMENTS, SAID ROD BEING SECURED TO SAID MEMBER FOR DISPLACING SAME WITHIN SAID CHAMBER UPON RELATIVE DISPLACEMENT OF SAID ELEMENTS, SAID HOUSING BEING FORMED WITH AN ANNULAR FURTHER COMPARTMENT FOR SAID LIQUID SURROUNDING SAID ROD ADJACENT SAID CHAMBER AND COMMUNICATING THEREWITH ONLY ALONG SAID ROD WHEREBY SAID ROD ENTRAINS A FILM OF SAID LIQUID FROM SAID FURTHER COMPARTMENT INTO SAID CHAMBER UPON DISPLACEMENT OF SAID ROD THROUGH SAID FURTHER COMPARTMENT TOWARD SAID CHAMBER.
References Cited (Backward Citations)
US2334115A
Cited
US2652848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |