Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 6120302 | Switching valve for a multiple-circuit vehicle brake system A reversing valve for a two-circuit brake system of a motor vehicle is a sliding valve and consists of a housing that has a cylindrical chamber in which a piston is arranged to be movable and is pressed to a limit position by means of a spring. The outer ... | 09/19/2000 |
| 5548959 | Adjustment valve for injecting fuel for a turbojet engine An adjustment valve is provided with a system able to prevent its piston from jamming. This piston (30) is fitted with a vane wheel (50) placed at its end and receiving a flow of air under pressure. The piston is thus in constant rotation inside the body ... | 08/27/1996 |
| 5358177 | Fluid flow and temperature control apparatus Apparatus is provided to supply a liquid, for example water, at a constant temperature, for example to a shower by mixing two supplies of the liquid, one hot and the other cold. Control of the output temperature is effected by measuring and controlling th... | 10/25/1994 |
| 5154589 | Metering pump A metering pump wherein the head is provided with internal threads terminating adjacent to internal shoulders at each of the pump cylinder, inlet valve and outlet valve ports. The cylinder, inlet valve and outlet valve each include a flange secured to the... | 10/13/1992 |
| 4711392 | Mixing valve apparatus A mixing valve apparatus provides a pressure balancing valve which has fins on their valve members and is forced to rotate by hot- and cold-water flows, two valve means for controlling flows of hot and cold water, a temperature sensor and a flow rate sens... | 12/08/1987 |
| 4240468 | Solenoid operated valve A solenoid operated shutoff valve for compressed air has a tubular ferromagnetic core which is surrounded by an excitable coil and confines a reciprocable ferromagnetic plunger movable into and from sealing engagement with a fixedly mounted valve seat. Th... | 12/23/1980 |
| 4071042 | Electromagnetic actuator, notably for hydraulic servo-control valve Electromagnetic actuator, especially for actuating a hydraulic servo-control valve, which comprises a magnetic shell constituting a body of revolution and a concentric armature-forming permanent magnet, at least one annular field coil, the field coil and ... | 01/31/1978 |
