Semispherical shape valve device in bladder type accumulators
OwnerKazuo Sugimura, Nobuyuki Sugimurainventors
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Abstract
Valve device of bladder type accumulators consisting of a pressure vessel with a bladder enclosed therein, a valve body is secured in the bottom free end of the bladder and a valve seat is formed in the top inside periphery of a liquid pipe, the opposing faces of said valve body and valve seat are so formed to mate closely to each other that when the bladder expands a part of the bladder will not be caught between the valve body and valve seat, thus it is protected from being damaged.
Claims13
In a bladder type accumulator consisting of a vessel enclosing a bladder to be filled with pressure gas, a liquid pipe connected to the bottom of the vessel to be opposed to the free end of the bladder, the improvement characterized by the top end of the liquid pipe being formed as a valve seat to be opened and closed by the mating thereof by a spherical valve body which is secured to the bottom of the bladder and is larger in diameter than said valve seat to assure closure of said valve seat and to prevent extrusion of the bladder therebetween should said valve body eccentrically engage said valve seat.
A bladder type accumulator comprising:
- a pressure vessel;
- a liquid pipe connected to the bottom of the pressure vessel;
- a gas filled bladder enclosed in the pressure vessel;
- a valve seat formed in the top end of the liquid pipe, valve means larger than said valve seat secured to the bottom of the bladder, said valve means comprised of a spherical seating face of a diameter to mate said valve seat upon expansion of said bladder and an auxiliary valve to cooperate with said seating face to mate said valve seat if said valve means eccentrically engages the valve seat.
Dependencies are inferred from the claim text.