2617257

Information

• Patent Grant
• 2617257

• References
• Source

• Patent Number

  2,617,257

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1952
  72 years ago

• CPC

  • F15B13/04 - for use with a single servomotor
  • E21D15/585 - by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
  • F16K11/0704 - comprising locking elements
  • Y10T137/86501 - Sequential distributor or collector type
  • Y10T137/8671 - With annular passage [e.g., spool]

• US Classifications

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