| 摘要 |
A gas booster comprising: at least one cylinder (142) having a bore (144) therein; a piston (140) moveable in the bore of the at least one cylinder thereby forming a cavity (146) that expands and contracts in response to the piston moving within the bore, wherein the cavity is configured to receive a gas at a first pressure level via a first port (170) and to output the gas at a second pressure level via a second port (172); a mechanism (152) configured to cause the piston to move within the bore from a first position to a second position; a first check valve (174) having a planar, sealing member located proximate the first port, the first check valve selectively permitting the gas to enter the cavity through the first port; and a second check valve (176) located proximate the second port, the second check valve selectively permitting the gas to exit the cavity though the second port; wherein the first and second check valves are configured and arranged so as to minimize the dead volume of the cavity when the piston has attained the second position. |
