[특허]Hydraulic disc brake caliper with one way plumbing

Shimano Inc.

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Hydraulic disc brake caliper with one way plumbing

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16D-055/18
미국특허분류(USC)	188/072.5;
출원번호	US-0205064 (2008-09-05)
등록번호	US-8365878 (2013-02-05)
발명자 / 주소	Takizawa, Shinichi Kariyama, Osamu Kikuno, Kenichi
출원인 / 주소	Shimano Inc.
인용정보	피인용 횟수 : 1 인용 특허 : 15

초록

A hydraulic disc brake caliper housing that includes first and second side portions and first and second end portions that cooperate to define a fluid path defined therein that extends between a fluid inlet and a fluid outlet. The fluid path extends from the fluid inlet, through the second side portion, through the first end portion, through the first side portion and to the fluid outlet.

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1. A hydraulic disc brake caliper housing for a bicycle having a frame comprising: first and second side portions and first and second end portions that cooperate to define a fluid path defined therein that extends between a fluid inlet and a fluid outlet, wherein the first side portion has at least a first piston receiving opening defined therein and the second side portion has at least a second piston receiving opening defined therein that opposes the first piston receiving opening, wherein fluid that enters the fluid inlet includes gas to be bled therein and the fluid path is defined such that fluid enters the fluid inlet, then flows through the first side portion, then through the first piston receiving opening, then through the first end portion, then through the second side portion, then through the second piston receiving opening and then to the fluid outlet, wherein the housing defines an outside boundary, wherein the entire fluid path is defined within the housing and does not extend outside of the outside boundary, and, within the housing, fluid does not flow outside the fluid path, and wherein at least a portion of the gas that is bled from the fluid in the fluid path travels from adjacent the fluid outlet, through the second piston receiving opening, through the first piston receiving opening and out the fluid inlet. 2. The hydraulic disc brake caliper housing of claim 1 wherein fluid entering through the fluid inlet always flows to the first piston receiving opening before flowing to the second piston receiving opening. 3. The hydraulic disc brake caliper housing of claim 1 wherein the fluid inlet is located on the second side portion and the fluid outlet is located in the first side portion. 4. The hydraulic disc brake caliper housing of claim 1 wherein the fluid path extends from the fluid inlet, downwardly at an angle through a first conduit, into and out of a piston receiving opening in the second side portion, through a second conduit, into and out of a piston receiving opening in the first side portion, upwardly at an angle through a third conduit, and to the fluid outlet. 5. A method of filling a hydraulic disc brake caliper for a bicycle with a frame with hydraulic fluid, the method comprising the steps of: (a) providing a hydraulic disc brake caliper that comprises a housing that includes first and second side portions and first and second end portions that cooperate to define a fluid path defined therein that extends between a fluid inlet and a fluid outlet, wherein the first side portion has at least a first piston receiving opening defined therein and the second side portion has at least a second piston receiving opening defined therein that opposes the first piston receiving opening, wherein the housing defines an outside boundary, and wherein the entire fluid path is defined within the housing and does not extend outside of the outside boundary,(b) flowing fluid through the fluid inlet, then through the first side portion, then into and out of the first piston receiving opening, then through the first end portion, then into and out of the second piston receiving opening and then toward the outlet, and(c) bleeding gas from the fluid in the fluid path, wherein during this step at least a portion of the gas travels from adjacent the fluid outlet, past the second piston receiving opening, past the first piston receiving opening and out the fluid inlet. 6. The method of claim 5 wherein the fluid is flowed from the fluid inlet downwardly at an angle through a first conduit, into and out of the first piston receiving opening, through a second conduit, into and out of the second piston receiving opening, upwardly at an angle through a third conduit, and to the second opening. 7. A hydraulic disc brake caliper comprising: first and second housing halves that cooperate to define a one-way fluid path that extends between a fluid inlet and a fluid outlet,at least a first piston received in a first port in the first housing half, andat least a second piston received in a second port in the second housing half,wherein the first and second pistons are in flow communication with one another along the one-way fluid path, wherein fluid that enters the fluid inlet includes gas to be bled therein and the fluid path is defined such that fluid enters the fluid inlet, then flows through a first conduit in the first housing half, then through the first port and past the first piston, then through a second conduit into the second housing half, then through the second port and past the second piston and then through a third conduit and to the fluid outlet, wherein the first and second housing halves cooperate to define an outside boundary, wherein the fluid path does not extend outside of the outside boundary, wherein within the housing, fluid does not flow outside the one-way fluid path, and wherein at least a portion of the gas that is bled from the fluid in the fluid path travels from adjacent the fluid outlet, through the second piston receiving opening, through the first piston receiving opening and out the fluid inlet. 8. The hydraulic disc brake caliper of claim 7 wherein the one-way fluid path is comprised of first, second and third legs, wherein the one-way fluid path starts at the beginning of the first leg and ends at the end of the third leg. 9. The hydraulic disc brake caliper of claim 8 wherein the first port is between the first and second legs of the one-way fluid path and the second port is between the second and third legs of the one-way fluid path. 10. The hydraulic disc brake caliper of claim 9 wherein the fluid enters the first port through a first opening and exits through a second opening and wherein the fluid enters the second port through a first opening and exits through a second opening. 11. The hydraulic disc brake caliper of claim 8 wherein when fluid enters through the fluid inlet it can only flow through the first conduit and not through any other conduits. 12. The hydraulic disc brake caliper of claim 1 wherein the housing includes first and second feet extending therefrom for mounting the housing to the bicycle frame, wherein the first and second feet each have an opening defined therethrough. 13. The hydraulic disc brake caliper of claim 7 wherein the first housing half and the portion of the fluid path therein are formed as a unitary piece and the second housing half and the portion of the fluid path therein are formed as a unitary piece.

이 특허에 인용된 특허 (15)

이 특허를 인용한 특허 (1)

Wen, Yuan-Hung, Heat-dissipating device for hydraulic brake system.

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특허 상세정보

Hydraulic disc brake caliper with one way plumbing

초록

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이 특허에 인용된 특허 (15)

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특허 상세정보

Hydraulic disc brake caliper with one way plumbing

초록

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이 특허에 인용된 특허 (15)

이 특허를 인용한 특허 (1)

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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