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ACCUMULATORS

  • US 3,825,034 A
  • Filed: 10/13/1971
  • Issued: 07/23/1974
  • Est. Priority Date: 10/16/1970
  • Status: Expired due to Term
First Claim
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1. A liquid pressure accumulator formed of two parts comprising a first and second hollow casing with a port in each casing, said casings being substantially convex in shape to form a substantially spheroidial configuration with mating surfaces when secured together, one casing having an annular groove formed on its inner mating surface, a second casing having a corresponding mating annular groove on its outer mating surface, in alignment with said one casing groove when they are secured together, a second annular groove in said second casing disposed in its outer surface below its first mentioned annular groove, adjacent its mating surface, a flexible diaphragm having an inwardly extending rim portion disposed between mating surfaces in said second groove to provide a seal between the chambers formed by said two casings, said diaphragm normally being disposed adjacent the inner surface of said one casing, circumferential hole means disposed in said one casing and communicating with said mating grooves, and elongated rectangular insert means adapted to be inserted through said hole means into said mating grooves to secure said casings together.

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