Hydraulic pressure generating device
AssigneeAutoliv Nissin Brake Systems Japan Co., Ltd.
InventorMotoyasu Nakamura
Life of this patent
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Abstract
A hydraulic pressure generating device includes a base body, a master cylinder provided on the base body and configured to generate a brake hydraulic pressure by a first piston connected to a brake operating element, a housing attached to the base body, a control board contained in the housing, a stroke sensor configured to detect an amount of movement of the first piston; and a detection object member which is detected by the stroke sensor. The housing has a facing wall portion provided so as to face the base body. The stroke sensor is provided inside the housing on the opposite side of the facing wall portion to the base body, and is electrically connected to the control board.
Claims18
A hydraulic pressure generating device comprising:
- a base body;
- a master cylinder provided in the base body and configured to generate a brake hydraulic pressure by a first piston connected to a brake operating element;
- a housing attached to the base body;
- a control board contained in the housing;
- a stroke sensor configured to detect an amount of movement of the first piston;
- and
- a detection object member which is detected by the stroke sensor,
- wherein the housing comprises a facing wall portion provided so as to face the base body, and
- wherein the stroke sensor is provided inside the housing, on a side of the facing wall portion opposite to the base body, and is electrically connected to the control board,
- wherein a male terminal provided on one of the sensor board and an end portion of a conductive member positioned on a side of the sensor board is inserted in a female terminal provided on the other, the sensor board is fixed to the conductive member, and
- wherein a portion of the conductive member is buried in the facing wall portion of the housing.
A hydraulic pressure generating device comprising:
- a base body;
- a master cylinder provided in the base body and configured to generate a brake hydraulic pressure by a first piston connected to a brake operating element;
- a housing attached to the base body;
- a control board contained in the housing;
- a stroke sensor configured to detect an amount of movement of the first piston;
- a detection object member which is detected by the stroke sensor,
- wherein the housing comprises a facing wall portion provided so as to face the base body, and
- wherein the stroke sensor is provided inside the housing, on a side of the facing wall portion opposite to the base body, and is electrically connected to the control board, and
- further comprising:
- a motor attached to the base body;
- and
- a slave cylinder provided on the base body and using motor as a driving source and configured to generate a hydraulic pressure by a the second piston,
- wherein the base body comprises a first cylinder bore with a bottom in which the first piston is inserted, and a second cylinder bore with a bottom in which the second piston is inserted,
- wherein an axial line of the first cylinder bore, an axial line of the second cylinder bore, and an axial line of an output shaft of the motor are disposed in parallel,
- wherein the second cylinder bore and the motor are disposed below the first cylinder bore and to a left and right of a vertical reference plane including the axial line of the first cylinder bore, and
- wherein the housing and the slave cylinder are disposed one above another with respect to a vertical direction.
Dependencies are inferred from the claim text.