| 摘要 |
1,226,216. Hydraulic intensifiers. G. BUTY. April 9, 1968, No.16973/68. Heading F1P. An annular chamber b Fig. bounded by the cylinder of a hydraulic intensifier, the head end of a skirted piston c and the skirt end of a piston I within which the skirt of piston c slides is connected by a line k<SP>1</SP> to a compressed air supply, and the chamber a beneath the head of piston c is also connected to the compressed air supply through a line k when the control rod g Fig. 2 of a distributing valve r is allowed to be moved inwardly by a spring d to close an exhaust port h and open a valve j whereon pistons c, l together with a small diameter piston m secured to piston c are moved upwardly thereby pressurizing oil in a sealed chamber n at the upper end of the cylinder. |
