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특허 상세정보

Heating system for machine operator\\s cab

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B60H-001/02   
미국특허분류(USC) 237/123 ; R ; 60/456 ; 122/26 ; 126/247
출원번호 US-0935468 (1978-08-21)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 18  인용 특허 : 5
초록

A machine, such as a self-propelled mobile crane, having an operator\s cab and an engine for driving hydraulic pumps to supply fluid to hydraulic motors which drive crane components, is provided with a heating system for the operator\s cab. The heating system comprises a heating system hydraulic pump driven by the engine, a fin-and-tube-type heat exchanger located in the cab, a pilot-fluid operated adjustable unloading pressure relief valve connected in circuit between the heating system hydraulic pump and the heat exchanger, and wherein hydraulic energy...

대표
청구항

A heating system comprising: a hydraulic pump; means for driving said pump; a heat exchanger connected to said hydraulic pump; a pressure relief valve connected between said hydraulic pump and said heat exchanger wherein hydraulic energy is converted to thermal energy as a result of a hydraulic fluid pressure drop in said pressure relief valve, said pressure relief valve being adjustable to change the fluid pressure drop therein and thereby change the hydraulic fluid temperature; means responsive to hydraulic fluid temperature for adjusting said pressure...

이 특허를 인용한 특허 피인용횟수: 18

  1. Panoushek Dale W. ; Kraning Calvin J. ; Halgrimson Curtis A. ; Guhr Quentin L. ; Doescher Robert D. ; Leupold Alan G.. Agricultural vehicle cab automatic temperature control system. USP1999115993312.
  2. Tholen Paul (Gladbach DEX). Auxiliary air heater. USP1983024371112.
  3. Brandenburg ; Jr. Lloyd W. (Wausau WI). Cab heating system. USP1982104352456.
  4. Sato Masayuki (Tsuchiura JPX). Civil engineering and construction machinery with hydraulic drive system. USP1984104476679.
  5. Hovel, Douglas J.; Njos, Erick A.; Spurgeon, Daniel A.. Controlling HVAC speed of condenser fans using pressure sensors. USP2017119809088.
  6. Hall Richard W. (Springfield OH). Double-acting forging hammer and method. USP1989014796428.
  7. Mencel, Dave; Andreas, Justin; Lane, John; Hanson, Michael. Flameless heater. USP20181210145586.
  8. Welle, Travis G.; Leingang, Mark R.. Flameless heating system. USP2016019228760.
  9. Kelsey Paul G. (Rte. 2 ; Box 876 Claremore OK 74017). Heat generator apparatus. USP1982064332237.
  10. Elm, Nils; Ludwig, Andreas; May, Andreas; Gerhardt, Nikolaus; Widemann, Friedrich. Heating system and process for influencing air flows in a heating system. USP2004096793147.
  11. Losse, II, Valdemar R.; Losse, Valdemar R.. Non-electric forced air heating and cooling apparatus. USP2018019869476.
  12. Wanecski, Eugene C.. System and method for water heater protection. USP2004116826356.
  13. Moser Gottfried (Bergisch Gladbach DEX) Gross Hansjurgen (Niederkassel DEX). System for heating the service cabin of a machine. USP1984024432493.
  14. Moser Gottfried (Gladbach DEX). System for heating the service cabin of a motor vehicle. USP1982084346839.
  15. Elliott, Timothy F.. System for supplying heat to construction equipment cab. USP2014128905321.
  16. Abolfathi, Amir; Chen, Jennifer C.; Li, Chunhua; Tricca, Robert E.; Wu, Benjamin M.; Kuo, Eric E.; Phan, Loc X.. Systems and methods for dental appliance compliance indication. USP2011027878801.
  17. Smole, Lewis T.. Temperature differential eliminator. USP2005086935572.
  18. Bartley Bradley E. ; Blass James R. ; Gibson Dennis H.. Vehicle hydraulic system that provides heat for passenger compartment. USP2001046220521.