Invention Grant
- Patent Title: Actuator for a valve and a valve comprising such actuator
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Application No.: US14397374Application Date: 2013-06-04
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Publication No.: US09671036B2Publication Date: 2017-06-06
- Inventor: Jesper Bak Nielsen , Johnny Ebsen
- Applicant: ALFA LAVAL CORPORATE AB
- Applicant Address: SE Lund
- Assignee: ALFA LAVAL CORPORATE AB
- Current Assignee: ALFA LAVAL CORPORATE AB
- Current Assignee Address: SE Lund
- Agency: Buchanan Ingersoll & Rooney PC
- Priority: EP12171124 20120607
- International Application: PCT/EP2013/061485 WO 20130604
- International Announcement: WO2013/182560 WO 20131212
- Main IPC: F16K11/08
- IPC: F16K11/08 ; F16K31/122 ; F16K41/10 ; F16K27/07 ; F16K11/04

Abstract:
Actuator for a valve, comprising a first piston, a first piston rod and a first fluid chamber for enabling movement of the first piston and the first piston rod. The actuator has a second piston, a second piston rod, the second piston rod being coaxially arranged with the first piston rod and radially enclosing at least a part of the first piston rod. A second fluid chamber is arranged for the second piston, for enabling movement of the second piston and the second piston rod. A first fluid channel is arranged in communication with each of the first and the second fluid chambers, for effecting, when fluid is introduced into the first fluid channel, movement of the first piston and the second piston. Also, a valve comprising such actuator is disclosed.
Public/Granted literature
- US20150083946A1 ACTUATOR FOR A VALVE AND A VALVE COMPRISING SUCH ACTUATOR Public/Granted day:2015-03-26
Information query