Patent ID: 9145902
Filing Date: 2015-09-29
Classification: F15B

Abstract:
1. A hydraulic accumulator comprising, in combination, a cylindrical body having a pair of ends, each of said ends including male threads, a circumferential channel adjacent said threads, a shoulder adjacent said circumferential channel and an elastomeric seal disposed in said circumferential channel, an end cap having a closed end and female threads complementary to said male threads on one of said ends, a piston assembly fully disposed within said cylindrical body, said piston assembly including a piston and an elongate shaft portion, at least one compression spring disposed between said piston and said end cap, said elongate shaft portion having a length longer than a fully compressed length of said at least one compression spring, and an inlet member having female threads complementary to said male threads on another of said ends and defining a fluid passageway into said cylindrical body, wherein said male threads extend to said ends of said cylindrical body and said shoulders are disposed away from said ends of said cylindrical body.