Patent US600870A successfully refreshed from Google Patents.
US3260873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting and cooling means for an energy-dissipating resistor in an electrically-operated device
Assignee: Black and Decker Corp
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Filing: 1963-08-16
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Granted: 1966-07-12
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Expires: 1983-08-16
Abstract
No abstract record available.
Inventors
- 👤 Alexander C R Wilson
- 👤 William F Saffell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:06
CPC Classifications
H; H02; H02K; H02K23/00; H02K23/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
MOUNTING AND COOLING MEANS FOR AN ENERGY DISSIPATING RESISTOR IN AN ELECTRICALLY-OPERATED DEVICE, COMPRISING, IN COMBINATION: (A) A HOUSING; (B) AN ELECTRIC MOTOR IN SAID HOUSING, SAID MOTOR INCLUDING A FIELD HAIVNG A CORE OF MAGNETIC MATERIAL; (C) SAID HOUSING HAVING AT LEAST ONE AIR INLET OPENING FORMED THEREIN REARWARDLY OF SAID MOTOR AND AT LEAST ONE AIR EXHAUST OPENING FORMED THEREIN FORWARDLY OF SAID MOTOR; (D) A FAN DRIVEN BY SAID MOTOR FOR DRAWING COOLING AIR FROM SAID INLET OPENING, AXIALLY THROUGH SAID HOUSING, AND FOR DISCHARGING THE AIR THROUGH SAID EXHAUST OPENING; AND (E) AN ENERGY-DISSIPATING RESISTOR SECURED IN A DWELL FORMED IN SAID CORD OF MAGNETIC MATERIAL; SAID RESISTOR BEING DISPOSED RADIALLY BETWEEN SAID MOTOR AND SAID MOTOR HOUSING, AND AXIALLY WITHIN THE PATH OF COOLING AIR FOR SAID MOTOR, THEREBY PROVIDING FOR THE MOUNTING AND COOLING OF SAID RESISTOR.
Claim 2
Dependent Claim
143 words
MOUNTING AND COOLING MEANS FOR AN ENERGY DISSIPATING RESISTOR IN AN ELECTRICALLY-OPERATED DEVICE, COMPRISING, IN COMBINATION: (A) A HOUSING; (B) AN ELECTRIC MOTOR IN SAID HOUSING, SAID MOTOR INCLUDING A FIELD HAIVNG A CORE OF MAGNETIC MATERIAL; (C) SAID HOUSING HAVING AT LEAST ONE AIR INLET OPENING FORMED THEREIN REARWARDLY OF SAID MOTOR AND AT LEAST ONE AIR EXHAUST OPENING FORMED THEREIN FORWARDLY OF SAID MOTOR; (D) A FAN DRIVEN BY SAID MOTOR FOR DRAWING COOLING AIR FROM SAID INLET OPENING, AXIALLY THROUGH SAID HOUSING, AND FOR DISCHARGING THE AIR THROUGH SAID EXHAUST OPENING; AND (E) AN ENERGY-DISSIPATING RESISTOR SECURED IN A DWELL FORMED IN SAID CORD OF MAGNETIC MATERIAL; SAID RESISTOR BEING DISPOSED RADIALLY BETWEEN SAID MOTOR AND SAID MOTOR HOUSING, AND AXIALLY WITHIN THE PATH OF COOLING AIR FOR SAID MOTOR, THEREBY PROVIDING FOR THE MOUNTING AND COOLING OF SAID RESISTOR.
References Cited (Backward Citations)
US1551752A
Cited
US2064388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |