| 摘要 |
<p>A fluid pressurizing device consisting of a master cylinder (12) and a brake booster (14), said master cylinder comprising a piston assembly (30) received within a first, cylindrical housing (16), and said brake booster comprising a second housing made of two shells (56, 140) assembled in alignment with the first housing, a hub member and movable wall assembly (70, 106, 110) reciprocable within said second housing, and a control valve assembly (136) controlling a fluid pressure differential across said movable wall;</p><p>According to this invention, the first housing (16) has a cylindrical projection (52) which extends through the second housing between a shoulder (54) and a threaded end (68), and a fastener (146) engaged on said threaded end holds the shells (140, 56) of the second housing in compressive engagement against said shoulder;</p><p>For use in power brake systems for automotive vehicles.</p> |
