PROBLEM TO BE SOLVED: To provide a brake gear which maintains the state where multiple oil passages are connected with each other.SOLUTION: A brake gear includes: a housing 2 including a reservoir storage hole 22 having a closed bottom therein; a piston 31 which strokes in the reservoir storage hole 22 and separates an inner part of the reservoir storage hole 22 into two chambers; a first oil passage 13a which opens at a bottom part 22a of the reservoir storage hole 22 and connects with a master cylinder M/C; a second oil passage 13b which opens at the bottom part 22a of the reservoir storage hole 22 and is connected with a suction part of a pump P; and a connection oil passage 133 which connects the first oil passage 13a with the second oil passage 13b and is formed facing a crown surface 310 of the piston 31.
【課題】複数の油路同士が接続した状態を保持することができるブレーキ装置を提供すること。【解決手段】内部に有底のリザーバ収容孔22を備えたハウジング2と、リザーバ収容孔22内をストロークすると共にリザーバ収容孔22内を2室に分離するピストン31と、リザーバ収容孔22の底部22aに開口しマスタシリンダM/Cに接続する第1油路13aと、リザーバ収容孔22の底部22aに開口しポンプPの吸入部に接続する第2油路13bと、第1油路13aと第2油路13bを接続し、ピストン31の冠面310に面して形成した接続油路133とを備えた。【選択図】 図2
BRAKE GEAR
ブレーキ装置
2015-11-12
Patent
Electronic Resource
Japanese
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |