Vehicle brake device
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United States of America Patent
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May 5, 2015
Grant Date -
Jan 24, 2013
app pub date -
Mar 30, 2011
filing date -
Mar 31, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a vehicle brake device, when a brake pedal is depressed normally, high regeneration efficiency and high fuel efficiency can be achieved by positively utilizing the regenerative braking force, and early applying of basic hydraulic braking force can be achieved when the brake pedal is suddenly depressed. The vehicle brake device includes an operation force transmitting mechanism on a connecting member between the brake pedal and the master cylinder piston and having first and second rods and a spring member biasing the first and second rods in a direction separating both rods from each other. The operation force transmitting mechanism includes an inner space between both rods and a communication passage allowing communication of the inner space with the exterior. The communication passage restricts the outflow of fluid in the inner space upon an emergency brake pedal depression and allows the outflow thereof upon non-emergency brake pedal depression.
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