1780398

Information

• Patent Grant
• 1780398

• References
• Source

• Patent Number

  1,780,398

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1930
  94 years ago

• CPC

  • F01B3/04 - the piston motion being transmitted by curved surfaces
  • F04B27/0808 - having two or more sets of cylinders or pistons
  • F04B27/0843 - cylindrical valve means
  • F04B39/0005 - adaptations of pistons
  • F04B39/042 - sealing being provided on the piston
  • Y10T74/18304 - Axial cam
  • Y10T74/18312 - Grooved

• US Classifications

  • 091 - Motors: expansible chamber type
  • 074 - Machine element or mechanism