3630121

Information

• Patent Grant
• 3630121

• References
• Source

• Patent Number

  3,630,121

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1971
  53 years ago

• CPC

  • E02F9/2203 - Arrangements for controlling the attitude of actuators
  • F15B11/024 - by means of differential connection of the servomotor lines
  • F15B2211/20576 - with multiple pumps
  • F15B2211/30525 - Directional control valves
  • F15B2211/3111 - the pump port being closed in the centre position
  • F15B2211/3144 - the positions being continuously variable
  • F15B2211/31576 - having a single pressure source and a single output member
  • F15B2211/329 - actuated by fluid pressure
  • F15B2211/6355 - having valve means
  • F15B2211/7741 - with floating mode
  • F15B2211/85 - Control during special operating conditions

• US Classifications

  • 091 - Motors: expansible chamber type