US3223864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic clutch coolant control
Assignee: Louis Allis Co
•
Filing: 1963-02-21
•
Granted: 1965-12-14
•
Expires: 1983-02-21
Abstract
No abstract record available.
Inventors
- 👤 Chester L Munson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:48
CPC Classifications
H; H02; H02P; H02P29/00; H02P29/0016; H02P29/0027; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1919
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A SYSTEM FOR CONTROLLING THE TEMPERATURE OF MAGNETIC CLUTCH MEANS BY CONTROLLING THE FLOW OF A COOLING FLUID FROM A SOURCE THEREOF TO A COOLING UNIT OPERATIVELY ASSOCIATED WITH THE CLUTCH MEANS WHEREIN THE CLUTCH MEANS INCLUDES A DRIVING MEMBER ROTATABLY DRIVEN FROM A POWER SOURCE AND A DRIVEN MEMBER ROTATED BY THE DRIVING MEMBER THROUGH THE MEDIUM OF A VARIABLE STRENGTH ELECTROMAGNETIC FIELD SET UP IN THE MEMBERS, SAID SYSTEM COMPRAISING; MEANS FOR GENERATING A SIGNAL GENERALLY PROPOR-
Claim 2
Independent Claim
79 words
A SYSTEM FOR CONTROLLING THE TEMPERATURE OF MAGNETIC CLUTCH MEANS BY CONTROLLING THE FLOW OF A COOLING FLUID FROM A SOURCE THEREOF TO A COOLING UNIT OPERATIVELY ASSOCIATED WITH THE CLUTCH MEANS WHEREIN THE CLUTCH MEANS INCLUDES A DRIVING MEMBER ROTATABLY DRIVEN FROM A POWER SOURCE AND A DRIVEN MEMBER ROTATED BY THE DRIVING MEMBER THROUGH THE MEDIUM OF A VARIABLE STRENGTH ELECTROMAGNETIC FIELD SET UP IN THE MEMBERS, SAID SYSTEM COMPRAISING; MEANS FOR GENERATING A SIGNAL GENERALLY PROPOR-
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |