3575642

Information

• Patent Grant
• 3575642

• References
• Source

• Patent Number

  3,575,642

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1971
  53 years ago

• CPC

  • G05D23/303 - using a sensing element having a resistance varying with temperature
  • G05D23/1925 - using a combination of auxiliary electric and non-electric power
  • G05D23/24 - the sensing element having a resistance varying with temperature
  • Y10T137/2409 - With counter-balancing pressure feedback to the modulating device

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 137 - Fluid handling