Rotary valve actuator and linkage

• US 6,076,799 A
• Filed: 02/19/1998
• Issued: 06/20/2000
• Est. Priority Date: 04/12/1996
• Status: Expired due to Term

• Current Assignee: Fisher Controls International LLC (Emerson Electric Company)
• Original Assignee: Fisher Controls International LLC (Emerson Electric Company)
• Inventors: Baumann, Hans D.
• Primary Examiner(s): CHAMBERS, A MICHAEL
• Application Number:
  US09/026,254
• Time in Patent Office: 852 Days
• Field of Search: 251/58, 251/62, 251/285
• US Class Current: 251/62
• CPC Class Codes: F15B 15/066 the motor being of the scotch yoke type
• CPC Class Codes: F16D 1/095 with clamping effected by ring contraction only for connecting two abutting shafts F16D1/02
• CPC Class Codes: F16D 1/096 the ring or rings being located between the shaft and the hub
• CPC Class Codes: F16K 31/1221 one side of the piston being spring-loaded
• CPC Class Codes: F16K 31/1635 for rotating valves
• CPC Class Codes: F16K 31/5282 comprising a pivoted disc or flap

Claims