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| Number | Title | Issue Date |
| 7351926 | Rotation-proof enclosure for pressure switch housing A housing for a pressure switch is coupled to a pipeline. The housing has a tubular body with an explosion-proof enclosure attached to the body with a retainer sleeve inserted through an opening in the enclosure and threaded into the body to secure the enclosure to ... | 04/01/2008 |
| 7038151 | Damped pressure switch The pressure switch, constituted by a cylindrical body, comprises two portions which are interconnected; also, a first of the portions is connected to a micro-switch and the second to an inlet for pressurise fluid delivery. A stem is housed inside the cylindrical bo... | 05/02/2006 |
| 6881913 | Pressure operated safety switch A pressure-operated safety switch is applied to a point in the compressed air system, which requires monitoring for presence of pressurized air. Pressurized air is introduced into the switch through a tube or other suitable fitting at the point needing monitoring. T... | 04/19/2005 |
| 6690208 | Robot crash protector A robotic crash protection device is adapted to be interposed between a robot arm and a robotic tool for detecting a crash. The device includes a housing, a piston having a generally central bore movably mounted within the housing, an actuator for engagin... | 02/10/2004 |
| 6419456 | Switch for controlling the motor of a piston pump A fluid pump having a motor operably coupled to a pump assembly, the motor and pump assembly acting cooperatively to pressurize a fluid includes a pressure switch being in communication with the fluid under pressure and being in communication with the mot... | 07/16/2002 |
| 5811894 | Safety module A safety module which is intended to be used in an oil or gas production installation and to be lowered to a required depth with an electrically operable tool connected thereto, and which comprises a housing (2), a pressure sensitive switch (3) and a temp... | 09/22/1998 |
| 5554834 | Pressure switch A pressure switch has a housing with an interior bore extending from one end to the other. A rod slidable within the bore and operated by external fluid pressure extends between a piston at one end of the housing and a mechanically operated electrical swi... | 09/10/1996 |
| 5086901 | Robot overload detection device An overload detection device (100) adapted for mounting between the end of a robot arm (104) and tooling (106) employs an interlocking pneumatic chamber subassembly (1) and a stemmed plate (2) pneumatically secured in a unique "engaging registration" rela... | 02/11/1992 |
| 4681992 | Cushioned clamp cylinder with proximity switches A cushioned clamp cylinder with proximity switches includes a cap of square shape defining a plurality of right angularly related end faces with a cushion chamber in the cap and a sensing port in each end face communicating with the cushion chamber. A nor... | 07/21/1987 |
| 4519256 | Pressure transducer including a proximity sensor Fluid under pressure is routed through an input port to a bore provided within a housing. A piston is disposed within the housing for movement within the bore. A target member includes a piston portion which frictionally engages, and is received within, t... | 05/28/1985 |
| 4354072 | Pyrolytic cartridge interruption assistance actuator for puffer breaker A puffer breaker employs a low energy actuating mechanism during normal opening and closing operation and a pyrolytic cartridge actuating mechanism for high speed operation under fault conditions. A current detector is provided in circuit with the puffer ... | 10/12/1982 |
| 4123635 | Multi-pole high-voltage circuit-interrupter having independent pole tripping with a single common operating mechanism A multi-pole high-power circuit-interrupter is provided having a single common operating mechanism therefor, and having independent pole tripping operation by associating with at least one of a plurality of the pole-units its independent ball latching mea... | 10/31/1978 |
| 4110578 | Circuit breaker A compressed-gas insulated circuit breaker including two spaced apart electrical conductors within a sealed housing, a stationary contact electrically connected to one of the conductors, and a movable contact connected to the other conductor. The movable ... | 08/29/1978 |
| 4037317 | Method of making fluid operated electrical switch construction A fluid operated electrical switch construction having a first housing provided with an electrical switch therein and a second housing having an expandible and contractible fluid operated power element therein, the housings being secured together in a pre... | 07/26/1977 |
