Invention Grant
- Patent Title: Position controller
- Patent Title (中): 位置控制器
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Application No.: US11435926Application Date: 2006-05-17
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Publication No.: US07862003B2Publication Date: 2011-01-04
- Inventor: Thomas Karte , Joerg Kiesbauer
- Applicant: Thomas Karte , Joerg Kiesbauer
- Applicant Address: DE Frankfurt Am Main
- Assignee: Samson AG
- Current Assignee: Samson AG
- Current Assignee Address: DE Frankfurt Am Main
- Agency: Woodling, Krost and Rust
- Priority: DE102005024686 20050530
- Main IPC: F16K31/02
- IPC: F16K31/02

Abstract:
Both improved protection against explosions and the possibility of performing diagnoses even when the I/P converter has been disconnected are to be provided by a position controller (5) for a pressure medium-operated actuating system, the controller being designed to be connected by a pneumatic line to a pneumatic drive (4)-equipped actuator (1) of an actuating element, especially an actuating element of a safety valve (2), where the actuator (1) has an electric power line (6) for controlling an I/P converter (7) according to the live-zero principle, and where the I/P converter (7) can be driven by an electrically controlled switch (10). The goal is achieved in that the switch (10) is designed to be driven by an additional circuit (11), which is connected to the power line (6) and installed in the position controller and which monitors the current in the power line (6).
Public/Granted literature
- US20060266966A1 Position controller Public/Granted day:2006-11-30
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