3807284

Information

• Patent Grant
• 3807284

• References
• Source

• Patent Number

  3,807,284

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1974
  50 years ago

• CPC

  • F15B11/072 - Combined pneumatic-hydraulic systems
  • F15B2211/212 - the pressure sources being accumulators
  • F15B2211/216 - the pressure sources being pneumatic-to-hydraulic converters
  • F15B2211/40515 - with variable throttles or orifices
  • F15B2211/40584 - the flow control means arranged in parallel with a check valve
  • F15B2211/41536 - being connected to multiple ports of an output member
  • F15B2211/41572 - being connected to a pressure source and an output member
  • F15B2211/41581 - being connected to an output member and a return line
  • F15B2211/421 - mechanically
  • F15B2211/428 - actuated by fluid pressure
  • F15B2211/46 - Control of flow in the return lin
  • F15B2211/473 - without restriction in the reverse direction
  • F15B2211/625 - Accumulators
  • F15B2211/7055 - having more than two chambers
  • F15B2211/75 - Control of speed of the output member
  • F15B2211/8855 - Compressible fluids

• US Classifications

  • 092 - Expansible chamber devices
  • 091 - Motors: expansible chamber type