3564842

Information

• Patent Grant
• 3564842

• References
• Source

• Patent Number

  3,564,842

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1971
  54 years ago

• CPC

  • F15B20/00 - Safety arrangements Applications of safety devices Emergency measures
  • F15B11/08 - with only one servomotor
  • F15B2211/405 - characterised by the type of flow control means or valve
  • F15B2211/40515 - with variable throttles or orifices
  • F15B2211/40576 - Assemblies of multiple valves
  • F15B2211/41527 - being connected to an output member and a directional control valve
  • F15B2211/422 - actuated by biasing means
  • F15B2211/426 - electrically or electronically
  • F15B2211/428 - actuated by fluid pressure
  • F15B2211/455 - Control of flow in the feed line
  • F15B2211/46 - Control of flow in the return lin
  • F15B2211/7052 - Single-acting output members
  • F15B2211/7656 - with continuous position control
  • F15B2211/863 - the abnormal condition being a hydraulic or pneumatic failure

• US Classifications

  • 060 - Power plants
  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices