FIELD: physics.
SUBSTANCE: first position detection sensor (70a) and second position detection sensor (70b) in pressure increasing device (10) detect position of first piston (44) or second piston (46). Fluid supply mechanism (48) provides fluid supply to first pressure increase chamber (34a) and/or second pressure boost chamber (36a). Based on the results of detecting the first position detection sensor (70a) and the second position detection sensor (70b), the fluid supply mechanism (48) performs switching between the fluid supply operation to the first drive chamber (34b) and release of fluid medium from second drive chamber (36b) and operation of fluid outlet from first drive chamber (34b) and supply of fluid medium into second drive chamber (36b).
EFFECT: technical result is simplification of inner structure and reduced external dimensions.
6 cl, 8 dwg
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