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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0341426 (1994-11-17) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 49 인용 특허 : 0 |
A hydraulic motor system minimizes wasted power by using a plurality of fixed displacement hydraulic motors to drive a drive shaft in a cooperative manner. The motors are selectively switched into operation in response to variations in fluid pressure. As a consequence the hydraulic fluid acts upon a
In an automotive vehicle powered by a variable speed engine, said automotive vehicle being equipped with an hydraulic system having a flow of hydraulic fluid and a fixed displacement pump driven by said variable speed engine, said automotive vehicle also being equipped with a cooling fan mounted on
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