| 摘要 |
FIELD: mechanical engineering; pumps. ^ SUBSTANCE: proposed pump unit has great number of pump valves, each being connected with piston pump. Pump unit includes also intake pipe common for all pump valves. Intake pipe is provided with connecting part for each pump valve. One connecting part between intake pipe and pump unit is stationary secured and it includes flange welded to cup, all other connecting parts are made for movement lengthwise the intake pipe. Each movable connecting part has flange with oversized bolt holes in which gasket is installed. ^ EFFECT: improved reliability. ^ 5 cl, 3 dwg |
