Brake pedal application causes the primary push rod to open the atmospheric inlet valvThis exposes the area behind the diaphragms to atmospheric pressurThe resulting pressure differential provides the extra apply pressure for power assist.
英
美
- 踏下煞車(chē)踏板使主推桿打開(kāi)空氣進(jìn)氣閥。這樣使膜片扣件后面的隔室暴露與于大氣壓力下。由此產(chǎn)生壓力差為倍力式煞車(chē)器提供了額外壓力。
