Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7134434 | Pressure support system and method and a pressure control valve for use in such a system and method A pressure support system having enhanced noise reduction and a valve assembly for use in pressure support system. The pressure support system includes a pressure generator having an inlet and an outlet. A first conduit defining a tortuous path is coupled between a ... | 11/14/2006 |
| 7073771 | Porous valve assembly A valve assembly for controlling the flow of a predetermined fluid, including a tube having an open end forming an outlet port, and wherein the tube is made of a material that is porous with respect to the predetermined fluid, an outer wall forming a fluid chamber c... | 07/11/2006 |
| 6427970 | Heat dissipating voice coil activated valves An electromechanical valve that includes a cylindrical housing having a first axially disposed chamber containing a valve body and a spool reciprocally mounted in the body for movement along the axis of the housing. A second chamber is located within the ... | 08/06/2002 |
| 5960831 | Electromechanical servovalve This disclosure is directed to an electromechanical servovalve having an electrical coil or winding movably mounted relative to a magnet so that when the winding is energized by an electric current, it interacts with the magnetic flux generated by the mag... | 10/05/1999 |
| 5906218 | Electric-to-pressure converters A relatively compact and vibration-insensitive electric-to-pressure converter includes an annular flexure from which an annular electromagnetic coil depends into an annular gap defined by the pole pieces of a permanent magnet assembly. A compressed air ex... | 05/25/1999 |
| 5732678 | Slide valve and a large two-stroke internal combustion engine A spool valve (22) controls a hydraulic drive, such as a drive for a fuel pump (18) in an internal combustion engine, in which the hydraulic drive comprises a driving piston (34) journalled in a hydraulic cylinder (33) which through a flow passage (31) is... | 03/31/1998 |
| 5460201 | Electromechanical servovalve This disclosure is directed to an electromechanical servovalve having a movable electrical coil or winding circumscribing a solid permanent magnet and disposed so that when the winding is energized by an electric current, it interacts with an intensified ... | 10/24/1995 |
| 5388607 | Control system for supplying a gas flow to a gas consumption A control system for supplying a gas flow to a gas consumption apparatus, comprising a gas supply pipe which can be connected to the apparatus and which has an electrically controlled gas control valve, and an electronic control unit. The control unit com... | 02/14/1995 |
| 5349986 | Valve mechanism for an acoustic modulator A valve mechanism for an acoustic modulator which modulates air flowing tugh the acoustic modulator. The valve mechanism comprises a pair of cylindrical shaped members with each member having a plurality of elongated ports. The first cylindrical shaped m... | 09/27/1994 |
| 5314164 | Pivotal diaphragm, flow control valve An improved structure for pivotal fluid valves is disclosed wherein an elongated pivot arm is pivotally mounted through a flexible, resilient corrosion-resistant diaphragm that serves to support and balance the pivot arm and as a frictionless pivot suppor... | 05/24/1994 |
| 5265842 | Emission control metering valve An engine emission control metering valve includes a metering ball valve element operatively connected to an electrically-energized linear actuator that includes a stationary magnet and a moving coil concentric with the magnet. The coil has a different ax... | 11/30/1993 |
| 4848726 | Apparatus for transducing an electrical signal into a pneumatic signal An electro-pneumatic transducer comprises a moving coil supported by the baffle plate covering a nozzle with the baffle plate consisting of a disk spring being concentrically arranged with respect to the nozzle.... | 07/18/1989 |
| 4501298 | Solenoid actuated valve device A solenoid actuated valve device for controlling the flow of fluid comprising a body having an inlet port, a first outlet port, a second outlet port, and a bore for fluid communication with the inlet and first outlet ports at one end thereof and for fluid... | 02/26/1985 |
| 3937242 | Pressure control device for controlling the flow of a fluid medium A pressure control device for a flowing fluid medium is described which comprises a fluid inlet conduit structure and a fluid return conduit structure each of which conduit structures has a valve seat; a connecting structure for linkup with a fuel consumi... | 02/10/1976 |
