1690923

Information

• Patent Grant
• 1690923

• References
• Source

• Patent Number

  1,690,923

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1928
  96 years ago

• CPC

  • F01B11/003 - the fluid under pressure being continuously delivered to one motor chamber and reacting the other chamber through a valve located in the piston, to bring the piston back in its start-position
  • F04B7/04 - in which the valving is performed by pistons and cylinders coacting to open and close intake or outlet ports
  • F04B9/127 - rectilinear movement of the pumping member in the working direction being obtained by a single-acting elastic-fluid motor

• US Classifications

  • 222 - Dispensing
  • 251 - Valves and valve actuation