Air delivery system for a transport refrigeration unit
원문보기
IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0270861
(1988-11-14)
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발명자
/ 주소 |
- Viegas Herman H. (Bloomington MN)
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출원인 / 주소 |
- Thermo King Corporation (Minneapolis MN 02)
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인용정보 |
피인용 횟수 :
4 인용 특허 :
3 |
초록
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An air delivery system for a transport refrigeration unit having a dual speed prime mover, a compressor, a condenser, an evaporator, and first and second air delivery blowers for the condenser and evaporator, respectively. The first blower is directly driven by the prime mover and the second blower
An air delivery system for a transport refrigeration unit having a dual speed prime mover, a compressor, a condenser, an evaporator, and first and second air delivery blowers for the condenser and evaporator, respectively. The first blower is directly driven by the prime mover and the second blower is driven by an adjustable speed arrangement. The adjustable speed arrangement includes a fixed pulley connected to the second blower, a pulley having a variable, selectable pitch diameter which is biased towards its maximum pitch diameter, an idler pulley, a belt linking the fixed, variable and idler pulleys, and an actuator for moving the idler pulley to select desired pitch diameters of the variable pulley via tension in the linking belt which opposes the bias associated with the variable pulley.
대표청구항
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An air delivery system for a transport refrigeration unit having a prime mover, a condenser, an evaporator, and condenser and evaporator air delivery means, comprising: a first shaft driven by the prime mover, first and second pulleys fixed to said first shaft having fixed and variable pitch diamete
An air delivery system for a transport refrigeration unit having a prime mover, a condenser, an evaporator, and condenser and evaporator air delivery means, comprising: a first shaft driven by the prime mover, first and second pulleys fixed to said first shaft having fixed and variable pitch diameters, respectively, a second shaft spaced from said first shaft, a third pulley journaled for rotation on said second shaft, said third pulley driving the condenser air delivery means, a fourth pulley fixed to said second shaft, said fourth pulley driving the evaporator air delivery means, an idler pulley, actuator means for selectively adjusting the position of said idler pulley, first belt means linking said first and third pulleys to drive the condenser air delivery means at a speed directly proportional to the speed of the prime mover, and second belt means linking said second, fourth and idler pulleys, said actuator means adjusting the position of said idler pulley to select pitch diameters of said second pulley which provide speeds for the evaporator air delivery means which may be varied relative to the speed of the prime mover.
이 특허에 인용된 특허 (3)
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Stillwell Jack K. (Nokomis FL), Transport refrigeration system.
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Anderson, Lowell M.; Volk, Rodney H., Transport refrigeration unit.
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Welch Dennis E. (St. Paul MN) Waldschmidt William L. (Farmington MN), Zero cube transport refrigeration unit for straight trucks.
이 특허를 인용한 특허 (4)
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Al Borling, Dynamic drive and brake system.
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Borling Al, Dynamic drive and brake system.
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Borling Al, Dynamic drive and brake system.
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Rogers, Tracy; Montoya, Matt; Crosby, Curtis, Hydraulic lift device.
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