Means for operating a valve or the like in accordance with a controlled condition

• US 3,050,257 A
• Filed: 03/13/1959
• Issued: 08/21/1962
• Est. Priority Date: 03/13/1959
• Status: Expired due to Term

• Current Assignee: Alfred A. Horton, Russell P. Sweger, William G. Young
• Original Assignee: Alfred A. Horton, Russell P. Sweger, William G. Young
• Inventors: Sweger, Russell P., Horton, Alfred A., Young, William G.
• Application Number:
  US03/799,274
• Time in Patent Office: 1,257 Days
• US Class Current: 236/74.00R
• CPC Class Codes: F15B 15/18 Combined units comprising both motor and pump
• CPC Class Codes: G05D 23/1921 using a thermal motor
• CPC Class Codes: G05D 23/1931 to control the temperature of one space
• CPC Class Codes: G05D 23/24 the sensing element having a resistance varying with temperature, e.g. a thermistor

Claims