Hydraulic control apparatus integrated with motor driving circuit unit

A hydraulic control apparatus comprising:

• a hydraulic unit for accommodating a hydraulic mechanism for adjusting brake fluid pressure to be used for vehicle controlling;
• and
• an actuator driving circuit unit integrally assembled with the hydraulic unit, having a circuit unit housing including:
• an operation portion for accommodating an electronic control actuator for controlling the hydraulic mechanism;
• and
• an electronic substrate portion for being arranged to be transversally offset with respect to the operation portion, and for accommodating an electronic substrate for controlling a brake fluid pressure generating actuator,
• wherein the housing includes a bus bar capable of supplying large current to the operation portion and the electronic substrate portion,
• wherein the electronic substrate portion further includes an electronic element to be electrically connected to the bus bar,
• wherein the electronic substrate and the electronic element are arranged in the electronic substrate portion so as to offset in a vertical direction each other.

A hydraulic control apparatus comprising:

• a hydraulic unit for accommodating a hydraulic mechanism for adjusting brake fluid pressure to be used for vehicle controlling;
• and
• an actuator driving circuit unit integrally assembled with the hydraulic unit, having a circuit unit housing including:
• an operation portion for accommodating an electronic control actuator for controlling the hydraulic mechanism;
• and
• an electronic substrate portion for being arranged to be transversally offset with respect to the operation portion, and for accommodating an electronic substrate for controlling a brake fluid pressure generating actuator,
• wherein the housing includes a bus bar capable of supplying large current to the operation portion and the electronic substrate portion,
• wherein the operation portion includes an assembling terminal where the bus bar is arranged, and the bus bar is electrically connected to the electronic control actuator.

A method of manufacturing a hydraulic control apparatus comprising:

• a hydraulic unit for accommodating a hydraulic mechanism for adjusting brake fluid pressure to be used for vehicle controlling;
• and
• an actuator driving circuit unit integrally assembled with the hydraulic unit, having a circuit unit housing including:
• an operation portion for accommodating an electronic control actuator for controlling the hydraulic mechanism;
• and
• an electronic substrate portion for being arranged to be transversally offset with respect to the operation portion, and for accommodating an electronic substrate for controlling a brake fluid pressure generating actuator,
• wherein the circuit unit housing is made up of a case fixed to a hydraulic unit housing of the hydraulic unit and a cover for covering the case,
• the method comprising:
• fixing the case of the circuit unit housing to the hydraulic unit housing;
• and
• assembling the electronic substrate to the case,
• wherein, after the electronic substrate is assembled to the case, further comprising:
• spreading dripproof agent on the electronic substrate;
• and
• drying the dripproof agent.

A hydraulic control apparatus comprising:

• a hydraulic unit having a hydraulic unit housing for accommodating a hydraulic mechanism including valves for adjusting brake fluid pressure to be used for vehicle controlling, the hydraulic unit housing including a valve arrange portion at which the valves are concentrated;
• and
• an actuator driving circuit unit integrally assembled with the hydraulic unit, having a circuit unit housing including:
• an operation portion for accommodating an electronic control actuator for controlling the hydraulic mechanism;
• an electronic substrate portion for being separated from the operation portion, and for accommodating an electronic substrate for controlling a brake fluid pressure generating actuator;
• and
• a terminal line connected to the brake fluid pressure generating actuator by being penetrated through the hydraulic unit housing, and having a shape to detour around the valve arrange portion of the hydraulic unit housing,
• wherein:
• the operation portion is arranged so as to substantially confront with the valve arrange portion;
• the electronic substrate portion is arranged to be transversally offset with respect to the operation portion;
• and
• the terminal line has a shape to penetrate through the hydraulic unit housing at an electronic substrate portion side and to extend to the operation portion by detouring around the electronic substrate portion.

A hydraulic control apparatus comprising:

• a hydraulic unit for accommodating a hydraulic mechanism for adjusting brake fluid pressure to be used for vehicle controlling;
• and
• an actuator driving circuit unit integrally assembled with the hydraulic unit, having a circuit unit housing including:
• an operation portion for accommodating an electronic control actuator for controlling the hydraulic mechanism;
• and
• an electronic substrate portion for being arranged to be transversally offset with respect to the operation portion, and for accommodating an electronic substrate for controlling a brake fluid pressure generating actuator, and the electronic substrate being arranged obliquely with respect to a vertical direction or perpendicularly to the vertical direction,
• wherein the hydraulic unit has a hydraulic unit housing for accommodating the hydraulic mechanism including valves, and the hydraulic unit housing includes a valve arrange portion at which the valves are concentrated;
• and
• the actuator driving circuit unit further includes a terminal line connected to the brake fluid pressure generating actuator by being penetrated through the hydraulic unit housing, and having a shape to detour around the valve arrange portion of the hydraulic unit housing, and
• wherein:
• the operation portion is arranged so as to substantially confront with the valve arrange portion;
• the electronic substrate portion is arranged to be transversally offset with respect to the operation portion;
• and
• the terminal line has a shape to penetrate through the hydraulic unit housing at an electronic substrate portion side and to extend to the operation portion by detouring around the electronic substrate portion.

A hydraulic control apparatus comprising:

• a hydraulic unit for accommodating a hydraulic mechanism for adjusting brake fluid pressure to be used for vehicle controlling;
• and
• an actuator driving circuit unit integrally assembled with the hydraulic unit, having a circuit unit housing including:
• an operation portion for accommodating an electronic control actuator for controlling the hydraulic mechanism;
• and
• an electronic substrate portion for being arranged to be transversally offset with respect to the operation portion, and for accommodating an electronic substrate for controlling a brake fluid pressure generating actuator, and the electronic substrate being arranged obliquely with respect to a vertical direction or perpendicularly to the vertical direction,
• wherein the electronic substrate portion has an elastic hooking member for supporting the electronic substrate by being elastically deformed.

A hydraulic control apparatus comprising:

• a hydraulic unit for accommodating a hydraulic mechanism for adjusting brake fluid pressure to be used for vehicle controlling;
• and
• an actuator driving circuit unit integrally assembled with the hydraulic unit, having a circuit unit housing including:
• an operation portion for accommodating an electronic control actuator for controlling the hydraulic mechanism;
• and
• an electronic substrate portion for being arranged to be transversally offset with respect to the operation portion, and for accommodating an electronic substrate for controlling a brake fluid pressure generating actuator, and the electronic substrate being arranged obliquely with respect to a vertical direction or perpendicularly to the vertical direction, and
• a substrate terminal for connecting the electronic substrate with a current supplying circuit, which supplies current to the brake fluid pressure generating actuator, and being extended to a direction substantially perpendicularly penetrating the electronic substrate fixed in the electronic substrate portion.

A method of manufacturing a hydraulic control apparatus comprising:

• a hydraulic unit having a hydraulic unit housing for accommodating a hydraulic mechanism including valves for adjusting brake fluid pressure to be used for vehicle controlling, the hydraulic unit housing including a valve arrange portion at which the valves are concentrated;
• and
• an actuator driving circuit unit integrally assembled with the hydraulic unit, having a circuit unit housing including:
• an operation portion for accommodating an electronic control actuator for controlling the hydraulic mechanism;
• an electronic substrate portion for being separated from the operation portion, and for accommodating an electronic substrate for controlling a brake fluid pressure generating actuator;
• and
• a terminal line connected to the brake fluid pressure generating actuator by being penetrated through the hydraulic unit housing, and having a shape to detour around the valve arrange portion of the hydraulic unit housing,
• the method comprising:
• connecting the brake fluid pressure generating actuator and the terminal line to the hydraulic unit housing;
• assembling a case of the circuit unit housing with the hydraulic unit housing;
• and
• welding the terminal line with a brake fluid pressure generating actuator terminal of a current supplying circuit, which supplies current to the brake fluid pressure generating actuator.

A hydraulic control apparatus comprising:

• a hydraulic unit for accommodating a hydraulic mechanism for adjusting brake fluid pressure to be used for vehicle controlling;
• and
• an actuator driving circuit unit integrally assembled with the hydraulic unit, having a circuit unit housing including:
• an operation portion for accommodating an electronic control actuator for controlling the hydraulic mechanism;
• and
• an electronic substrate portion for accommodating an electronic substrate for controlling a brake fluid pressure generating actuator,
• wherein the hydraulic unit has a channel groove at a portion where the circuit unit housing is confronted with in the hydraulic unit, the channel groove is partly opened to the operation portion and is directly or indirectly communicated with a ventilating opening positioned at a bottom surface of the hydraulic control apparatus.

A hydraulic control apparatus comprising:

• a hydraulic unit for accommodating a hydraulic mechanism for adjusting brake fluid pressure to be used for vehicle controlling;
• and
• an actuator driving circuit unit integrally assembled with the hydraulic unit, having a circuit unit housing including;
• an operation portion for accommodating an electronic control actuator for controlling the hydraulic mechanism;
• and
• an electronic substrate portion for being separated from the operation portion, and for accommodating an electronic substrate for controlling a brake fluid pressure generating actuator,
• wherein the hydraulic unit has a channel groove at a portion where the circuit unit housing is confronted with in the hydraulic unit, the channel groove is partly opened to the operation portion and is directly or indirectly communicated with a ventilating opening positioned at a bottom surface of the hydraulic control apparatus.