Patent US3125422A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3125422A Expired / Lapsed US ⏱️ 0.0 years remaining

Comparator control for a tumbling drier

Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 11:18
CPC Classifications
G; G05; G05D; G05D22/00; G05D22/02; D; D06; D06F; D06F58/00; D06F58/32; D06F58/34; D06F58/36; D06F58/38; D06F2101/00; D06F2101/16; D06F2103/00; D06F2103/02; D06F2103/08; D06F2103/28; D06F2103/32; D06F2105/00; D06F2105/28; D06F2105/58

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 171 words
IN MECHANISM FOR MEASURING A CONDITION OF A MATERIAL TUMBLING IN A CONTGAINER, WHICH CONDITION AFFECTS THE HEAT ABSORPTION CHARACTERISTIC OF THE MATERIAL, TWO BODIES ADAPTED TO BE CONTACTED AND COOLED BY THE TUMBLING MATERIAL, AN ELECTRICAL HEATER FOR ONE OF THE BODIES, MEANS PROVIDING AN ELECTRICAL CIRCUIT FOR THE HEATER, MEANS FOR CONTROLLING SAID ELECTRICAL CIRCUIT INCLUDING A MAIN THERMALLY RESPONSIVE MEMBER ASSOCIATED WITH THE BODY HAVING THE HEATER AND BEING RESPONSIVE TO THE TEMPERATURE THEREOF, A REFERENCE THERMALLY RESPONSIVE MEMBER ASSOCIATED WITH THE OTHER BODY AND BEING RESPONSIVE TO THE TEMPERATURE THEREOF, COOPERATING CONTACTS CARRIED BY SAID THERMALLY RESPONSIVE MEMBERS FOR OPENING AND CLOSING SAID ELECTRICAL CIRCUIT, SAID THERMALLY RESPONSIVE MEMBERS NORMALLY MAINTAINING THE CONTACTS IN CIRCUIT-CLOSING ENGAGEMENT AND SEPARATING SAID CONTACTS ONLY WHEN THE TEMPERATURE DIFFERENCE OF THE TWO BODIES SENSED THEREBY EXCEEDS A PREDETERMINED VALUE, A RESPONDING THERMALLY RESPONSIVE MEMBER, MEANS OPERABLE BY SAID RESPONDING THERMALLY RESPONSIVE MEMBER, AND AN ELECTRICAL HEATER IN THE CIRCUIT FOR HEATING SAID RESPONDING THERMALLY RESPONSIVE MEMBER WHEN SAID CIRCUIT IS CLOSED.
Claim 2
Dependent Claim 171 words
IN MECHANISM FOR MEASURING A CONDITION OF A MATERIAL TUMBLING IN A CONTGAINER, WHICH CONDITION AFFECTS THE HEAT ABSORPTION CHARACTERISTIC OF THE MATERIAL, TWO BODIES ADAPTED TO BE CONTACTED AND COOLED BY THE TUMBLING MATERIAL, AN ELECTRICAL HEATER FOR ONE OF THE BODIES, MEANS PROVIDING AN ELECTRICAL CIRCUIT FOR THE HEATER, MEANS FOR CONTROLLING SAID ELECTRICAL CIRCUIT INCLUDING A MAIN THERMALLY RESPONSIVE MEMBER ASSOCIATED WITH THE BODY HAVING THE HEATER AND BEING RESPONSIVE TO THE TEMPERATURE THEREOF, A REFERENCE THERMALLY RESPONSIVE MEMBER ASSOCIATED WITH THE OTHER BODY AND BEING RESPONSIVE TO THE TEMPERATURE THEREOF, COOPERATING CONTACTS CARRIED BY SAID THERMALLY RESPONSIVE MEMBERS FOR OPENING AND CLOSING SAID ELECTRICAL CIRCUIT, SAID THERMALLY RESPONSIVE MEMBERS NORMALLY MAINTAINING THE CONTACTS IN CIRCUIT-CLOSING ENGAGEMENT AND SEPARATING SAID CONTACTS ONLY WHEN THE TEMPERATURE DIFFERENCE OF THE TWO BODIES SENSED THEREBY EXCEEDS A PREDETERMINED VALUE, A RESPONDING THERMALLY RESPONSIVE MEMBER, MEANS OPERABLE BY SAID RESPONDING THERMALLY RESPONSIVE MEMBER, AND AN ELECTRICAL HEATER IN THE CIRCUIT FOR HEATING SAID RESPONDING THERMALLY RESPONSIVE MEMBER WHEN SAID CIRCUIT IS CLOSED.

References Cited (Backward Citations)

US2022440A Cited
US2743532A Cited
US2878579A Cited
US2820304A Cited
US2885789A Cited
US2895230A Cited
US2999144A Cited
US3020381A Cited
US2878580A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-03-17 1967-09-16 1968-03-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-03-17 1971-09-16 1972-03-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-03-17 1975-09-16 1976-03-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag