1489667

Information

• Patent Grant
• 1489667

• References
• Source

• Patent Number

  1,489,667

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1924
  100 years ago

• CPC

  • F02M3/05 - Pneumatic or mechanical control
  • F01L13/00 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
  • F02M3/043 - Devices as described in F02M3/005, F02M3/041, F02M3/042, F02M3/045, F02M3/05 and F02M3/055 and also equipped with additional air
  • F01L2760/003 - for switching to compressor action in order to brake

• US Classifications

  • 123 - Internal-combustion engines
  • 048 - Gas: heating and illuminating