B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
303/83
B60T 11/20 (2006.01) B60T 11/16 (2006.01) B60T 11/232 (2006.01)
Patent
CA 1279353
ABSTRACT OF THE DISCLOSURE In this portless type master cylinder device, a cylinder bore is formed in a body thereof, and a piston member is fitted in the cylinder bore and is slidably movable from an initial axial position therein and defines a pressure chamber in cooperation with the cylinder bore. An intake valve communicates between the cylinder chamber and the fluid reservoir via a fluid flow path, and is opened when the piston member is in its initial axial position while it is closed when the piston member moves through more than a determinate relatively small axial distance from its initial axial position. Intermediately along the fluid flow path between the intake valve and the fluid reservoir, there are provided in parallel a non return valve which allows substantially free flow of fluid from the fluid reservoir to the intake valve but not substantially in the reverse direction, and a means for allowing flow of fluid from the intake valve to the fluid reservoir with a relatively high flow resistance being presented to the flow. Thereby, the stroke of the piston member has a much reduced inactive initial stroke portion, as compared with other portless type master cylinder devices, and the operational feeling of the master cylinder device is greatly improved.
520606
Okuyama Masaaki
Sakamoto Shigeru
Shirai Kenji
Sugimoto Haruo
Gowling Lafleur Henderson Llp
Toyota Jidosha Kabushiki Kaisha
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