[특허]Mechanical power regeneration system

Mechanical power regeneration system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16D-031/02
출원번호	US-0896102 (1986-08-13)
발명자 / 주소	Heggie William S. (Dyfed GB7) Davies Anthony S. (Gloucester CAX)
출원인 / 주소	National Research Council of Canada (Ottawa CAX 03)
인용정보	피인용 횟수 : 63 인용 특허 : 0

초록 ▼

A mechanical power regeneration system for a movable object comprising a sole variable displacement hydraulic pump being driven by the movable object, a first check valve connected between the output side of the pump and a first hydraulic line of a high pressure accumulator unit, a second hydraulic line of a low pressure accumulator unit, a second check valve connected between the second hydraulic line and the input side of the pump, a first controlled valve connected between the first hydraulic line and the input side of the pump and a second controlled valve connected between the second hydraulic line and the output side of the pump. When the movable object is to be slowed down by placing it in a braking mode, hydraulic fluid is transferred by the pump from the low pressure accumulator to the high pressure accumulator. When the movable object is placed in a drive mode, stored energy in the high pressure accumulator is transferred to the input side of the pump to apply a positive traction force to the movable object.

대표청구항 ▼

A mechanical power regeneration system for a movable object having a primary power transmission connecting a prime mover to a load, said system being separate and distinct from the primary power transmission, comprising: (a) a variable displacement hydraulic pump assembly including a pump in the power regeneration system, (b) said hydraulic pump being positively driven by the movable object in at least one operational mode of said movable object, (c) a first check valve connected between the output said of said pump and a first hydraulic line of a high pressure accumulator unit, (d) a second hydraulic line of a low pressure accumulator unit, (e) a second check valve connected between said second hydraulic line and the input side of said pump, (f) a first controlled valve connected between said first hydraulic line and said input side of said pump, (g) a second controlled valve connected between said second hydraulic line and said output side of said pump, (h) whereby, in operation, when said movable object is to be slowed down by placing it in a braking mode said first and second controlled valves are controlled by a controller unit to be closed and hydraulic fluid is transferred by said pump from said low pressure accumulator to said high pressure accumulator through said second check valve and said first check valve, and (i) when the movable object is placed in a drive mode and requires a positive traction force said controller unit controls said first and second controlled valves to open and stored hydraulic energy in said high pressure accumulator is transferred via hydraulic fluid through said first controlled valve to the input side of said pump to apply a positive traction force to said movable object, the return path of said hydraulic fluid pump being from its output side through said second controlled valve to said low pressure accumulator unit, (j) a third check valve connected in series with a controlled relief valve across the input and output sides of said pump, and (k) said microcumputer unit providing a control signal to said controlled relief valve when the movable object is in a reverse mode whereby when the movable object is reversed, hydraulic fluid is recirculated around the pump through said controlled relief valve.

이 특허를 인용한 특허 (63)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Mechanical power regeneration system 원문보기

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