[특허]Variable capacity gear pump with pressure balance for transverse forces

Variable capacity gear pump with pressure balance for transverse forces 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F04C-002/18 F04C-015/04
출원번호	US-0895349 (1986-08-11)
우선권정보	DE-3528651 (1985-08-09)
발명자 / 주소	Rohs Hans-Gunther (Neuffenstr. 9 7324 Rechberghausen DEX) Rohs Ulrich (Roonstr. 11 5160 Duren DEX) Reimann Jochen (Eburonenstr. 26 5100 Aachen DEX) Voigt Dieter (Parkstr. 70 5100 Aachen DEX)
인용정보	피인용 횟수 : 28 인용 특허 : 0

초록 ▼

A gear pump in which one rotating, toothed pump gear is supported axially displaceable in the pump casing and engaging an axially displaceable sliding part at least on the one face wall of the pump gear. The sliding part is adapted to overlap the operating space or zone of engagement of the displaceable pump gear against the other, axially stationary pump gear, with hydraulic relief provided by the pump casing and/or the sliding part by pocket-like recesses on the side diametrically opposing the pressure side of the pump across the displaceable pump gear, the recesses hydraulically communicating with the pressure side of the pump.

대표청구항 ▼

A gear pump having a casing and a first rotating, toothed pump gear and an opposing second pump gear, said first pump gear being supported axially displaceable in the pump casing and engaging an axially displaceable sliding part on at least the one face wall of said first pump gear, said second pump gear being axially stationary in said casing, said sliding part being adapted to overlap the engagement zone occupied by the first pump gear opposite the second pump gear, the part of the surface of said sliding part facing said second pump gear having a contour matching the path of the teeth of said second pump gear, wherein the improvement comprises: a pocket-like recess in the pump casing disposed between the first and second gears of the pump on the side diametrically opposite the pressure side of the pump across the axially displaceable first pump gear, said recess hydraulically communicating with the pressure side and disposed in a location in the pump casing which is disposed within the zone of engagement of the pump gears even when said first pump gear is axially displaced. A gear pump having a casing and a first rotating, toothed pump gear and an opposing second pump gear, said first pump gear being supported axially displaceable in the pump casing and engaging an axially displaceable sliding part on at least the one face wall of said first pump gear, said second pump gear being axially stationary in said casing, said sliding part being adapted to overlap the engagement zone occupied by the first pump gear opposite the second pump gear, the part of the surface of said sliding part facing said second pump gear having a contour matching the path of the teeth of said second pump gear, wherein the improvement comprises: pocket-like recesses are provided in said sliding part axially on both sides of said first pump gear diametrically opposite the pressure side of the pump, said pressure side being disposed between said first and second gears of the pump, and said recesses hydraulically communicating with the pressure side of the pump between the pump gears.

이 특허를 인용한 특허 (28)

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Bucur Alexandru A. (2270 Mitchell Rd. Norcross GA 30071), Reciprocating variable displacement rotary vane machine.
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O'Brien, II,James A., Variable capacity pump/motor.
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Baker William E., Variable displacement apparatus and method of using same.
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Hunter,Douglas G.; Koenig,Dennis, Variable displacement pump and control therefor.
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Hunter,Douglas; Koenig,Dennis, Variable displacement pump and control therefore for supplying lubricant to an engine.
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Hunter, Douglas G.; Haase, Thomas, Variable displacement vane pump with variable target regulator.
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Schreiber Bernd,DEX ; Stutzle Gunther,DEX, Variable-delivery external gear pump.
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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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연합인증

Variable capacity gear pump with pressure balance for transverse forces 원문보기

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Variable capacity gear pump with pressure balance for transverse forces 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (28)

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