Brake-booster with adjustable jump and process for adjusting the jump
AssigneeBendix Europe Services Techniques
InventorsRoland Levrai, Philippe Castel
Life of this patent
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Abstract
The invention relates to a pneumatic brake-booster comprising, in series, a control rod (10) substantially fixed to a plunger (12) by a pivot mechanism (14), a reaction disk (16) and a push rod (18), the control rod (10) actuating a three-way valve with two seats (24, 26), s specific space being provided at rest between the reaction disk (16) and the plunger (12). According to the invention, one of the two seats of the valve consists of the end of a sleeve (30) coaxial with the plunger (12), a prestressed compressible mechanism (32) tending to shift the sleeve (30) and plunger (12) axially away from one another, the sleeve (30) coming axially up against one end of a piece (36) fixed to the control rod (10) after the relative positions have been set.
Claims9
Pneumatic brake-booster comprising, in series, a control rod (10) substantially fixed to a plunger (12) by pivot means (14), a reaction disk (16) and a push rod (18), the control rod (10) actuating a three-way valve with two seats (24, 26), a specific space being provided at rest between the reaction disk (16) and said plunger (12), characterized in that one (26) of the two seats of said valve consists of an end of a sleeve (30) arranged coaxial with said plunger (12), prestressed compressible means (32) tending to shift the sleeve (30) and plunger (12) axially away from one another, said sleeve (30) coming axially up against one end of a piece (36) fixed to said control rod (10) after relative positions have been set.
Dependencies are inferred from the claim text.