US3240218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear output speed sensing device
Assignee: Holley Performance Products Inc
•
Filing: 1962-11-21
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Granted: 1966-03-15
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Expires: 1982-11-21
Abstract
No abstract record available.
Inventors
- 👤 Gerald W Dalder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:21
CPC Classifications
G; G05; G05D; G05D13/00; G01; G01P; G01P3/00; G01P3/42; G01P3/44; G01P3/49; G01P3/495; Y; Y10; Y10T; Y10T137/00; Y10T137/0971
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A HYDRAULIC OUTPUT SPEED SENSING DEVICE, COMPRISING A BODY FORMED TO PROVIDE A HIGH PRESSURE INLET COMMUNICATING WITH A HIGH PRESSURE OUTLET, A LOW PRESSURE OUTLET, A PAIR OF INITIALLY ALIGNED ORIFICE MEMBERS PROVIDING COMMUNICATION BETWEEN SAID HIGH PRESSURE OUTLET AND SAID LOW PRESSURE OUTLET, ONE OF SAID ORIFICE MEMBERS BEING MOVABLE WITH RESPECT TO SAID OTHER ORIFICE MEMBER SO AS TO BE CAPABLE OF PROGRESSIVELY RESTRICTING COMMUNICATION BETWEEN SAID TWO OUTLETS, AND A LINEAR TYPE SPEED SENSE ACTUATOR FOR SAID MOVABLE ORIFICE MEMBER SO AS TO RESTRICT SAID COMMUNICATION AND INCREASE SAID HIGH PRESSURE OUTPUT DIRECTLY AND LINEARLLY WITH INCREASING SPEED AND VICEVERSA WITHOUT CHANGING SAID INLET PRESSURE OF SAID LOW PRESSURE.
Claim 2
Dependent Claim
113 words
A HYDRAULIC OUTPUT SPEED SENSING DEVICE, COMPRISING A BODY FORMED TO PROVIDE A HIGH PRESSURE INLET COMMUNICATING WITH A HIGH PRESSURE OUTLET, A LOW PRESSURE OUTLET, A PAIR OF INITIALLY ALIGNED ORIFICE MEMBERS PROVIDING COMMUNICATION BETWEEN SAID HIGH PRESSURE OUTLET AND SAID LOW PRESSURE OUTLET, ONE OF SAID ORIFICE MEMBERS BEING MOVABLE WITH RESPECT TO SAID OTHER ORIFICE MEMBER SO AS TO BE CAPABLE OF PROGRESSIVELY RESTRICTING COMMUNICATION BETWEEN SAID TWO OUTLETS, AND A LINEAR TYPE SPEED SENSE ACTUATOR FOR SAID MOVABLE ORIFICE MEMBER SO AS TO RESTRICT SAID COMMUNICATION AND INCREASE SAID HIGH PRESSURE OUTPUT DIRECTLY AND LINEARLLY WITH INCREASING SPEED AND VICEVERSA WITHOUT CHANGING SAID INLET PRESSURE OF SAID LOW PRESSURE.
References Cited (Backward Citations)
US1508464A
Cited
US2364810A
Cited
US2414947A
Cited
US2475178A
Cited
US2858839A
Cited
US3109457A
Cited
US3111037A
Cited
US3108221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |