PLUNGER GAS-HYDRAULIC MOTOR Russian patent published in 2006 - IPC F01C1/10 F16H1/00 

FIELD: mechanical engineering; oil and gas machine building.

SUBSTANCE: invention can be used as power drive in automatic control systems of shutoff and control devices of high-and low-pressure main gas and oil lines. Proposed plunger gas-hydraulic motor contains movable rigid gear wheel and wheel engaging with the latter, water generator with cylinders and radial channels uniformly spaced over circumference and connecting each cylinder with central hole in which distributor is installed for rotation. Distributor is made in form of shaft with working medium delivery and drain spaces. Wheel is made in form of ring-separator with prismatic plungers fitted in slots for radial displacement. Nonextensible flexible member of equal cross section is installed in symmetrical slots of plungers.

EFFECT: decrease motor gear ratio, increased service life of motor.

2 cl, 2 dwg