Patent US2001507A successfully refreshed from Google Patents.
US3073422A
Expired / Lapsed
US
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Electromagnetic clutch arrangement
Assignee: Robert Bosch GmbH
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Filing: 1961-04-25
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Granted: 1963-01-15
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Expires: 1981-04-25
Abstract
No abstract record available.
Inventors
- 👤 Baumann Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:29
CPC Classifications
F; F16; F16D; F16D37/00; F16D37/02; F16D27/00; F16D27/02; F16D48/00; F16D48/06; F16D48/064; F16D2027/002; F16D2037/001; F16D2037/002; F16D2500/00; F16D2500/10; F16D2500/102; F16D2500/1021; F16D2500/1022; F16D2500/104; F16D2500/10406; F16D2500/10412; F16D2500/30; F16D2500/306; F16D2500/3067; F16D2500/314; F16D2500/3146; F16D2500/31466; F16D2500/70; F16D2500/704; F16D2500/70422; F16D2500/70426; F16D2500/71; F16D2500/7107; F16D2500/7109
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
IN AN ELECTROMAGNETIC CLUTCH ARRANGEMENT FOR CONNECTING THE ENGINE OF A MOTOR VEHICLE WITH ITS POWER TRAIN, IN COMBINATION, ELECTROMAGNETICALLY ACTIVABLE CLUTCHING MEMBERS, ONE THEREOF BEING CONNECTED WITH THE ENGINE, ANOTHER ONE THEREOF BEING CONNECTED WITH THE POWER TRAIN, AND ADAPTED TO TRANSMIT TORQUE BETWEEN THE ENGINE AND THE POWER TRAIN UPON APPLICATION OF ELECTRIC ENERGY TO AT LEAST ONE OF SAID CLUTCHING MEMBERS; ELECTRIC PULSE GENERATOR MEANS CONNECTED IN CIRCUIT WITH SAID ONE CLUTCHING MEMBER FOR CREATING AND FOR APPLYING TO SAID ONE CLUTCHING MEMBER ELECTRIC ENERGIZING PULSE SEQUENCES OF VARYING PULSE FREQUENCY AND VARIABLE PULSE DURATION FOR ENERGIZING SAID CLUTCHING MEMBER TO A DEGREE DEPENDING UPON THE PULSE DURATION AND ON THE FREQUENCY OF SAID PULSES, SAID PULSE DURATION VARYING WITH THE PULSE FREQUENCY; AND PULSE FREQUENCY DETERMINING MEANS (5658) OPERATIVELY CONNECTED WITH THE ENGINE AND INCLUDING ELECTRICAL MEANS IN CIRCUIT WITH SAID PULSE GENERATOR MEANS FOR FURNISHING CONTROL PULSES THERETO AND FOR CAUSING SAID PULSE FREQUENCY AND SAID PULSE DURATION OF THE ENERGIZING PULSE OUTPUT THEREOF TO INCREASE WITH AN INCREASE OF THE ROTARY SPEED OF THE ENGINE.
Claim 2
Dependent Claim
181 words
IN AN ELECTROMAGNETIC CLUTCH ARRANGEMENT FOR CONNECTING THE ENGINE OF A MOTOR VEHICLE WITH ITS POWER TRAIN, IN COMBINATION, ELECTROMAGNETICALLY ACTIVABLE CLUTCHING MEMBERS, ONE THEREOF BEING CONNECTED WITH THE ENGINE, ANOTHER ONE THEREOF BEING CONNECTED WITH THE POWER TRAIN, AND ADAPTED TO TRANSMIT TORQUE BETWEEN THE ENGINE AND THE POWER TRAIN UPON APPLICATION OF ELECTRIC ENERGY TO AT LEAST ONE OF SAID CLUTCHING MEMBERS; ELECTRIC PULSE GENERATOR MEANS CONNECTED IN CIRCUIT WITH SAID ONE CLUTCHING MEMBER FOR CREATING AND FOR APPLYING TO SAID ONE CLUTCHING MEMBER ELECTRIC ENERGIZING PULSE SEQUENCES OF VARYING PULSE FREQUENCY AND VARIABLE PULSE DURATION FOR ENERGIZING SAID CLUTCHING MEMBER TO A DEGREE DEPENDING UPON THE PULSE DURATION AND ON THE FREQUENCY OF SAID PULSES, SAID PULSE DURATION VARYING WITH THE PULSE FREQUENCY; AND PULSE FREQUENCY DETERMINING MEANS (5658) OPERATIVELY CONNECTED WITH THE ENGINE AND INCLUDING ELECTRICAL MEANS IN CIRCUIT WITH SAID PULSE GENERATOR MEANS FOR FURNISHING CONTROL PULSES THERETO AND FOR CAUSING SAID PULSE FREQUENCY AND SAID PULSE DURATION OF THE ENERGIZING PULSE OUTPUT THEREOF TO INCREASE WITH AN INCREASE OF THE ROTARY SPEED OF THE ENGINE.
References Cited (Backward Citations)
US2253842A
Cited
US2910884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |