Toyota Camry Hybrid AHV40 Manual page 148

c. Hydraulic Power Source Portion
i) General
The hydraulic power source portion consists of pump, pump motor, accumulator, relief valve, 2 motor
relays, and accumulator pressure sensor.
ii) Accumulator
Inside the accumulator, the high-pressurized nitrogen gas is charged and sealed. In addition, metallic
bellows-formed tube is used, in order to enhance the gastight performance of the accumulator.
iii) Pump and Pump Motor
A plunger type pump is used. This pump is operated by the rotation of the camshaft driven by the
motor, and then supplies high-pressurized fluid to the accumulator.
Pump Motor
CHASSIS - BRAKE
Bellows-formed
Accumulator
Nitrogen Gas
Cross Section
02HCH14Y
Pump
Camshaft
Cross Section
02HCH15Y
CH-47