1490971

Information

• Patent Grant
• 1490971

• References
• Source

• Patent Number

  1,490,971

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1924
  100 years ago

• CPC

  • F01P7/16 - by thermostatic control
  • F01P2025/32 - Engine outcoming fluid temperature
  • F01P2070/08 - Using lubricant pressure as actuating fluid

• US Classifications

  • 236 - Automatic temperature and humidity regulation