US3245284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor drive for pulsato apparatus
Assignee: Marmon Co
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Filing: 1963-05-31
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Granted: 1966-04-12
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Expires: 1983-05-31
Abstract
No abstract record available.
Inventors
- 👤 Donald J Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:54
CPC Classifications
H; H02; H02P; H02P7/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19014
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
IN APPARATUS FOR PRODUCING PULSATO BY THE AID OF A ROTARY DEVICE: A MAIN DRIVE MOTOR FOR OPERATING SAID ROTARY DEVICE, AND HAVING A SHAFT; MEANS COUPLING ONE END OF SAID SHAFT TO SAID ROTARY DEVICE; SAID COUPLING MEANS AND SAID MAIN DRIVE MOTOR BEING DESIGNED TO OPERATE SAID ROTARY DEVICE AT A RATE TO IMPART PULSATO; A SECONDARY DRIVE MOTOR HAVING A STATOR AND AN AXIALLY MOVABLE ROTOR ASSEMBLY; SAID ROTOR ASSEMBLY BEING MOVABLE BETWEEN ALTERNATE POSITIONS OF LARGER AND SMALLER RELUCTANCE WITH RESPECT TO SAID STATOR, AND MOVABLE TO THE POSITION OF SMALLER RELUCTANCE UPON ENERGIZATION OF SAID SECONDARY DRIVE MOTOR; MEANS CAUSING THE ROTOR ASSEMBLY TO MOVE TO THE POSITION OF LARGER RELUCTANCE UPON DEENERGIZATION OF SAID SECONDARY MOTOR; AND AXIALLY SEPARABLE COUPLING MEANS BETWEEN THE ROTOR ASSEMBLY AND THE OTHER END OF SAID SHAFT AND OPERABLE UPON MOVEMENT OF SAID ROTOR ASSEMBLY TO SAID POSITION OF SMALLER RELUCTANCE; SAID AXIALLY SEPARABLE COUPLING MEANS AND SAID SECONDARY DRIVE MOTOR BEING DESIGNED TO OPERATE SAID ROTARY DEVICE AT A SMALL FRACTION OF ITS PULSATO SPEED FOR PRODUCING INDEFINITENESS IN SOURCE LOCATION.
Claim 2
Dependent Claim
183 words
IN APPARATUS FOR PRODUCING PULSATO BY THE AID OF A ROTARY DEVICE: A MAIN DRIVE MOTOR FOR OPERATING SAID ROTARY DEVICE, AND HAVING A SHAFT; MEANS COUPLING ONE END OF SAID SHAFT TO SAID ROTARY DEVICE; SAID COUPLING MEANS AND SAID MAIN DRIVE MOTOR BEING DESIGNED TO OPERATE SAID ROTARY DEVICE AT A RATE TO IMPART PULSATO; A SECONDARY DRIVE MOTOR HAVING A STATOR AND AN AXIALLY MOVABLE ROTOR ASSEMBLY; SAID ROTOR ASSEMBLY BEING MOVABLE BETWEEN ALTERNATE POSITIONS OF LARGER AND SMALLER RELUCTANCE WITH RESPECT TO SAID STATOR, AND MOVABLE TO THE POSITION OF SMALLER RELUCTANCE UPON ENERGIZATION OF SAID SECONDARY DRIVE MOTOR; MEANS CAUSING THE ROTOR ASSEMBLY TO MOVE TO THE POSITION OF LARGER RELUCTANCE UPON DEENERGIZATION OF SAID SECONDARY MOTOR; AND AXIALLY SEPARABLE COUPLING MEANS BETWEEN THE ROTOR ASSEMBLY AND THE OTHER END OF SAID SHAFT AND OPERABLE UPON MOVEMENT OF SAID ROTOR ASSEMBLY TO SAID POSITION OF SMALLER RELUCTANCE; SAID AXIALLY SEPARABLE COUPLING MEANS AND SAID SECONDARY DRIVE MOTOR BEING DESIGNED TO OPERATE SAID ROTARY DEVICE AT A SMALL FRACTION OF ITS PULSATO SPEED FOR PRODUCING INDEFINITENESS IN SOURCE LOCATION.
References Cited (Backward Citations)
US2281569A
Cited
US2573011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |