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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 |
| 8157160 | Meter register and remote meter reader utilizing a stepper motor A meter for flowing material, e.g., water, has a meter register having an electronic display, e.g., an LED or LCD display, and a mechanical read-out display driven by a stepper motor to record units of water that flowed through the meter. In the event of an electric... | 04/17/2012 |
| 7775422 | Meter register and remote meter reader utilizing a stepper motor A meter for flowing material, e.g., water, has a meter register having an electronic display, e.g., an LED or LCD display, and a mechanical read-out display driven by a stepper motor to record units of water that flowed through the meter. In the event of an electric... | 08/17/2010 |
| 7334469 | Methods and systems using ratiometric characterizations to improve air data accuracy A method for characterizing pressure sensors to improve accuracy in an air data system is described where the sensors include at least one static pressure sensor and at least one total pressure sensor. The method includes characterizing the static pressure sensor an... | 02/26/2008 |
| 6588657 | Fluidic data register and display Fluidic registers hold different types fluids to represent data. The fluids are substantially immiscible with respect to each other. Typically, two types of data (or fluids) may be held within the fluidic register representing binary data. However, more t... | 07/08/2003 |
| 4958063 | Device for counting objects A ring-jet sensor (24) which is operated with air and is connected to an air-carrying line (23) is directed at the objects (27). The ring-jet sensor (24) is also coupled to a pressure sensor (37), the signal of which passes to a counter (40). In order to ... | 09/18/1990 |
| 4473876 | Electrohydraulic servovalve safety apparatus Safety apparatus for an electrohydraulic servovalve. The safety apparatus includes a digital programmable switch (14) which is programmed to make switching decisions on the basis of whether or not the electrohydraulic servovalve is subjected to an externa... | 09/25/1984 |
| 4265112 | Pneumatic averager A pneumatic pressure averager primarily for use in connection with aircraft instrumentation, which provides for three pressure outputs available from two pressure sources. Two of the outputs represent the input pressures directly, and the third output rep... | 05/05/1981 |
| 4182180 | Enthalpy comparator An enthalpy comparator for comparing the enthalpies of two bodies of air is disclosed having a first temperature sensor and a first humidity sensor for sensing the temperature and humidity respectively of the first body of air, a second temperature sensor... | 01/08/1980 |
| 3986404 | Vortex amplifier apparatus 1. In a vortex amplifier: A first element having a first outlet passage therein; A second element having a second outlet passage therein; Porous coupling means, said first element, said second element and said coupling means cooperating to form a chamber symmetrica... | 10/19/1976 |
