US3170079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling apparatus
Assignee: Eaton Corp
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Filing: 1962-07-17
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Granted: 1965-02-16
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Expires: 1982-07-17
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Jaeschke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:43
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; H02K7/11; H02P; H02P29/00; H02P29/0016; H02P29/0022; H02P29/0027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN A DEVICE OF THE CLASS DESCRIBED, A HOUSING HAVING SUPPORT BEARING MEANS THEREIN, RELATIVELY ROTATABLE DRIVEN AND DRIVING SHAFT MEMBERS SUPPORTED BY SAID BEARING MEANS, ELECTROMAGNETIC COUPLING MEANS IN SAID HOUSING INCLUDING A FIELD COIL AND OPERABLE TO TRANSMIT TORQUE FROM SAID DRIVING SHAFT MEMBER TO SAID DRIVEN SHAFT MEMBER IN RESPONSE TO ENERGIZATION OF SAID FIELD COIL, ENERGIZING CIRCUIT MEANS FOR SAID COIL INCLUDING CONTROL MEANS FOR CONTROLLING COIL EXCITATION, SAID HOUSING HAVING AN AIR INLET FOR A FLOW OF COOLING AIR THEREINTO, AND HEAT SINK MEANS COMPRISED AT LEAST IN PART BY A PORTION OF SAID HOUSING AND SUPPORTING SAID CONTROL MEANS, SAID HEAT SINK MEANS HAVING A SURFACE PORTION EXTENDING FROM SAID AIR INLET TOWARD THE AXIS OF ROTATION OF SAID SHAFT MEMBERS AND ANGULARLY TOWARD THE COUPLING MEANS IN SAID HOUSING AND DISPOSED IN SAID FLOW OF COOLING AIR FOR DISSIPATING HEAT GENERATED BY SAID CONTROL MEANS AND DIRECTING THE AIR FLOW TOWARDS THE INTERIOR OF SAID HOUSING.
Claim 2
Dependent Claim
163 words
IN A DEVICE OF THE CLASS DESCRIBED, A HOUSING HAVING SUPPORT BEARING MEANS THEREIN, RELATIVELY ROTATABLE DRIVEN AND DRIVING SHAFT MEMBERS SUPPORTED BY SAID BEARING MEANS, ELECTROMAGNETIC COUPLING MEANS IN SAID HOUSING INCLUDING A FIELD COIL AND OPERABLE TO TRANSMIT TORQUE FROM SAID DRIVING SHAFT MEMBER TO SAID DRIVEN SHAFT MEMBER IN RESPONSE TO ENERGIZATION OF SAID FIELD COIL, ENERGIZING CIRCUIT MEANS FOR SAID COIL INCLUDING CONTROL MEANS FOR CONTROLLING COIL EXCITATION, SAID HOUSING HAVING AN AIR INLET FOR A FLOW OF COOLING AIR THEREINTO, AND HEAT SINK MEANS COMPRISED AT LEAST IN PART BY A PORTION OF SAID HOUSING AND SUPPORTING SAID CONTROL MEANS, SAID HEAT SINK MEANS HAVING A SURFACE PORTION EXTENDING FROM SAID AIR INLET TOWARD THE AXIS OF ROTATION OF SAID SHAFT MEMBERS AND ANGULARLY TOWARD THE COUPLING MEANS IN SAID HOUSING AND DISPOSED IN SAID FLOW OF COOLING AIR FOR DISSIPATING HEAT GENERATED BY SAID CONTROL MEANS AND DIRECTING THE AIR FLOW TOWARDS THE INTERIOR OF SAID HOUSING.
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) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |