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Aide-de-camp to Field Marshal Haig ; At a tank demonstration, 1916
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| Number | Title | Issue Date |
| 7204868 | Method and apparatus for generating an inert gas on a vehicle An inert gas generating system for generating inert gas on a vehicle having a fuel tank and a fuel tank vent. The system includes an inlet for receiving a flow of gas having a nitrogen component and an oxygen component from a gas source, a heat exchanger downstream ... | 04/17/2007 |
| 7192665 | Regulator for fuel cell A regulator for use with fuel cells, which is mounted in a pressure controller of a fuel cell system, has a first diaphragm flexible under the pressure of pilot air supplied as an oxidizing agent to a pilot chamber, a second diaphragm flexible under the pressure of ... | 03/20/2007 |
| 7156951 | Multiple zone gas distribution apparatus for thermal control of semiconductor wafer A gas distribution apparatus delivers a coolant gas, such as helium, to an upper surface of a chuck for controlling a temperature of a wafer placed on the chuck. The gas distribution apparatus allows first and second zones, such as an inner zone and an outer zone of... | 01/02/2007 |
| 6622745 | Fluid waster diversion system A waste diversion system for diverting the effluent from a manufacturing process, such as polishing the surfaces of silicon wafers, has an electrically controlled diverter valve for receiving the effluent and diverting it either to a "dirty" output for wa... | 09/23/2003 |
| 6532980 | Pressure source with constant relative increase of pressure and method for diagnosing safety valves for over or under pressure The invention relates to a method and apparatus for determining the switching pressure of a safety appliance, which is adapted to safeguard an installation against exceeding, or falling below, a gas pressure. An increasing pressure is applied to the safet... | 03/18/2003 |
| 6053195 | Pressure control valve The present invention relates to a pressure control valve for regulating the oil pressure in an oil supply system preferably of an internal combustion engine, with a first working chamber which is in connection with an oil line, with a second working cham... | 04/25/2000 |
| 5829470 | Differential volume sensing hydraulic control A valve assembly senses the cumulative volume of hydraulic fluid that has passed to an actuator and senses and subtracts from that cumulative volume the volume of return fluid that has passed from the actuator. When the difference between the volumes exce... | 11/03/1998 |
| 4323095 | Balanced valve with unidirectional oleo-dynamic unlocking, in particular to allow a number of hydraulic actuators to be series controlled at high pressure The invention relates to an improved and balanced valve with unidirectional hydraulic unlocking, in particular to allow a number of hydraulic actuators to be series controlled at high pressure. This type of valve comprises: a check valve (11) and a unidirectio... | 04/06/1982 |
| 4291718 | Pressure valve The pressure valve is actuated by pressurized fluid and has a housing with a high-pressure space and a low-pressure space separated from each other by a partition. The partition has a bore accommodating a valve member. Axial passages are made in the body ... | 09/29/1981 |
| 4222402 | Dual overlapping fire protection systems and valve Dual overlapping fire protection systems include a liquid supply means for supplying liquid under pressure, first and second branch lines connected to the liquid supply means, a plurality of liquid distribution outlets connected to each of the branch line... | 09/16/1980 |
| 3957073 | Pressure balancing valve A pressure balancing valve has a pair of fluid ducts for hot and cold water, a butterfly type valve is located in each duct, a pressure cavity is provided that is in communication with each duct, and a resilient diaphragm mounted in the cavity converts pr... | 05/18/1976 |
