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1. WO2010087937 - ACTUATOR HAVING AN OVERRIDE APPARATUS

Publication Number WO/2010/087937
Publication Date 05.08.2010
International Application No. PCT/US2009/069794
International Filing Date 30.12.2009
IPC
F16K 31/122 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
31Operating means; Releasing devices
12actuated by fluid
122the fluid acting on a piston
F16K 31/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
31Operating means; Releasing devices
CPC
F15B 11/18
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
11Servomotor systems without provision for follow-up action; ; Circuits therefor
16with two or more servomotors
18used in combination for obtaining stepwise operation of a single controlled member
F15B 15/14
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
15Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
08Characterised by the construction of the motor unit
14of the straight-cylinder type
F16K 31/003
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
31Actuating devices;; Operating means; Releasing devices
003operated without a stable intermediate position, e.g. with snap action
F16K 31/1225
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
31Actuating devices;; Operating means; Releasing devices
12actuated by fluid
122the fluid acting on a piston
1225with a plurality of pistons
Applicants
  • FISHER CONTROLS INTERNATIONAL LLC [US]/[US] (AllExceptUS)
  • ARNOLD, David, Anthony [US]/[US] (UsOnly)
  • HALM, David, George [US]/[US] (UsOnly)
  • MCCARTY, Michael, Wildie [US]/[US] (UsOnly)
Inventors
  • ARNOLD, David, Anthony
  • HALM, David, George
  • MCCARTY, Michael, Wildie
Agents
  • READ, David, C.
Priority Data
12/360,67827.01.2009US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ACTUATOR HAVING AN OVERRIDE APPARATUS
(FR) ACTIONNEUR DOTÉ D'UN APPAREIL DE NEUTRALISATION
Abstract
(EN)
Actuators having override apparatus are described herein. An example actuator having an override apparatus includes a first actuator stem (206) coupled to a control actuation member (208). The override apparatus (202) is operatively coupled to the actuator. A spring (240) is coupled to an override member to move the first actuator stem to a predetermined position in response to an override condition.
(FR)
La présente invention porte sur des actionneurs dotés d'un appareil de neutralisation. Un exemple d'actionneur doté d'un appareil de neutralisation comprend une première tige d'actionneur (206) couplée à un élément d'actionnement de commande (208). L'appareil de neutralisation (202) est couplé de façon fonctionnelle à l'actionneur. Un ressort (240) est couplé à un élément de neutralisation pour déplacer la première tige d'actionneur dans une position prédéterminée en réponse à une condition de neutralisation.
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