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US3324672A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrically controlled conditioning system

Assignee: Motors Liquidation Co
•
Filing: 1966-08-15
•
Granted: 1967-06-13
•
Expires: 1986-08-15
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Abstract

No abstract record available.

Inventors

  • 👤 William L Sones
  • 👤 James O Elliott
  • 👤 George A Neyhouse

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 05:28
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/70; F24F11/80; F24F11/83; F24F11/84; F24F11/88; F24F11/30; F24F2110/00; F24F2110/10

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 163 words
IN A HOUSEHOLD CONDITIONING SYSTEM THE COMBINATION OF, A REFRIGERANT SYSTEM INCLUDING A COMPRESSOR, AN EVAPORATOR AND A CONDENSER, MEANS FOR CONNECTING SAID COMPRESSOR, CONDENSER AND EVAPORATOR IN REFRIGERANT FLOW RELATIONSHIP, MEANS INCLUDING AN AIR SUPPLY AND RETURN FOR DIRECTING AIR TO AND RETURNING AIR FROM ROOMS IN THE HOUSEHOLD, SAID AIR SUPPLY AND RETURN BEING LOCATED IN HEAT TRANSFER RELATIONSHIP WITH SAID EVAPORATOR, FAN MEANS FOR CIRCULATING CONDITIONED AIR THROUGH SAID AIR SUPPLY AND RETURN, MEANS INCLUDING ELECTRIC MOTOR MEANS FOR DRIVING SAID COMPRESSOR AND SAID FAN MEANS, A CONTROL SYSTEM MEANS FOR VARIABLY MODULATING THE COOLING EFFECTS OF SAID EVAPORATOR INCLUDING A CONTROL CIRCUIT HAVING SEMICONDUCTOR SWITCH MEANS THEREIN FOR SELECTIVELY CONDUCTING CURRENT FROM A POWER SOURCE TO SAID ELECTRIC MOTOR MEANS, MEANS FOR DERIVING A CONTROL VOLTAGE RESPONSIVE TO THE OPERATION OF SAID COMPRESSOR, MEANS FOR PROCESSING SAID CONTROL VOLTAGE TO REGULATE THE CONDUCTIVITY OF SAID SEMICONDUCTOR SWITCH MEANS TO MAINTAIN SAID ELECTRIC MOTOR MEANS AT A PREDETERMINED SPEED NORM.

References Cited (Backward Citations)

US3010289A Cited
US3182222A Cited
US3204423A Cited
US3214931A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-06-12 1970-12-12 1971-06-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-06-12 1974-12-12 1975-06-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-06-12 1978-12-12 1979-06-13 $7700.00 Window Closed / Lapsed

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