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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.
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| Number | Title | Issue Date |
| 7127850 | Internal building pressure apparatus and method An internal building pressure apparatus includes, in a building with walls and more than floor, at least one pressure sensor on at least more than one floor. A connection is provided for connecting pressure sensors and an analysis device is connected to the pressure... | 10/31/2006 |
| 6996944 | Fire barriers for multi-dimensional architectural expansion joints Multi-dimensional, multi-layered, fire barriers for use in multi-dimensional architectural expansion joints may comprise a plurality of fire resistant material layers and the method for making such barriers is taught. The layers comprising the fire barriers may be c... | 02/14/2006 |
| 5310111 | Pneumatic controller A pneumatic controller configured to regulate the opening and closing of a controlled device in response to a measured variable, such as temperature. The pneumatic controller includes a sensor providing an output proportional to the measured variable as w... | 05/10/1994 |
| 4506830 | Device for simultaneous control of air flow and circulation speed for an air conditioning installation with variable air flow The device includes a pressure-reducing chamber arranged immediately upstream of an air conditioning diffuser. It includes a shutter which pivots about an axis and which tends to reduce the useful area of the diffuser in question, under the action of a co... | 03/26/1985 |
| 4480783 | VAV Terminal local control loop In a VAV terminal local control loop including a bellows controlled orifice in which the bellows inflation is controlled by a bleed thermostat, a signal is produced indicative of terminal satisfaction/dissatisfaction which can be used in controlling the a... | 11/06/1984 |
| 4421271 | Zero energy band subbase for pneumatic thermostats A pneumatic subbase for modifying the operation of a pneumatic thermostat is disclosed having a first nozzle to be connected to a source of main pressure, a second nozzle for supplying branch output pressure to the device being controlled, a third nozzle ... | 12/20/1983 |
| 4325427 | Dual thermostat control apparatus with dead band response A dual thermostat apparatus includes two thermostats which generate fluid control signals proportional to room air temperature. The thermostats are matched leakport pressure sensors having a signal orifice and a bimetal lid element to generate back pressu... | 04/20/1982 |
| 4312475 | Flow adjustment mechanism for air distributor systems An adjustment mechanism for adjusting the maximum flow rate of conditioned air in an air distribution system controlled by a pneumatic control circuit. An air bladder controls the distribution of air, and the pressure is bled from the bladder under the co... | 01/26/1982 |
| 4307836 | Pneumatic control means for a vehicle heat exchanger system or the like A thermostat construction having a valve unit for directing a pneumatic signal to a pneumatically operated control device in relation to the force differential between the temperature sensed by the temperature sensing unit thereof and the temperature sett... | 12/29/1981 |
| 4253603 | Temperature responsive control apparatus A detector for sensing the compressor inlet temperature of a gas turbine engine and for producing an output pressure signal which is used by the fuel control of the engine. The magnitude of the output signal is determined by the position of a valve which ... | 03/03/1981 |
| 4094463 | System having reset action A system is disclosed for providing reset action in a controller, having an averaging circuit for supplying a pilot signal which is the average of an input signal and a feedback signal, a relay having an input connected to receive the pilot signal for pro... | 06/13/1978 |
| 4037651 | Temperature control apparatus of air conditioner for automobiles A temperature control apparatus of an air conditioner for automobiles, which comprises a blower for feeding air through a cooling unit and a heating unit disposed in an air passage, an air mix door for controlling the amount of air passing through the hea... | 07/26/1977 |
