3475000

Information

• Patent Grant
• 3475000

• References
• Source

• Patent Number

  3,475,000

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1969
  55 years ago

• CPC

  • F16K31/16 - with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member
  • F15B11/048 - with deceleration control
  • F16K47/00 - Means in valves for absorbing fluid energy
  • F15B2211/305 - characterised by the type of valves
  • F15B2211/30505 - Non-return valves
  • F15B2211/30525 - Directional control valves
  • F15B2211/3144 - the positions being continuously variable
  • F15B2211/321 - mechanically
  • F15B2211/322 - actuated by biasing means
  • F15B2211/324 - manually
  • F15B2211/329 - actuated by fluid pressure
  • F15B2211/35 - Directional control combined with flow control
  • F15B2211/6355 - having valve means
  • F15B2211/7053 - Double-acting output members
  • F15B2211/75 - Control of speed of the output member
  • F15B2211/755 - Control of acceleration or deceleration of the output member

• US Classifications

  • 251 - Valves and valve actuation
  • 091 - Motors: expansible chamber type