"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
|4235413||Electrically actuated valve|
A fast-acting reliable electrically operated normally opened or normally closed valve includes a piston which is spring-biased open and which is actuable by pressurized actuating fluid to drive a plug against a valve seat to terminate working fluid flow. ...
A damper assembly constructed to close a flue pipe for a burner during non-use of the burner and to automatically open prior to burner ignition. An actuator operated by a thermo-statically controlled heater and an expansible fluid, rotates a baffle of the...
A thermal actuator has means for containing a vaporizable liquid and means for vaporizing the liquid. Means is provided for supplying only a portion of the liquid to the vaporizing means to affect vaporization thereof and for subjecting the remaining liqu...