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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 |
| 7086276 | Temperature correction method and subsystem for automotive evaporative leak detection systems A method and sensor or sensor subsystem permit improved evaporative leak detection in an automotive fuel system. The sensor or sensor subsystem computes temperature-compensated pressure values, thereby eliminating or reducing false positive or other adverse results ... | 08/08/2006 |
| 7040301 | Fuel system with integrated pressure management A fuel system supplying fuel to an internal combustion engine of a vehicle. The fuel system includes an integrated pressure management system managing pressure and detecting leaks in the fuel system. The integrated pressure management system also performs a leak dia... | 05/09/2006 |
| 7025084 | Integrated pressure management system for a fuel system An integrated pressure management system manages pressure and detects leaks in a fuel system. The integrated pressure management system also performs a leak diagnostic for the head space in a fuel tank, a canister that collects volatile fuel vapors from the head spa... | 04/11/2006 |
| 6931919 | Diagnostic apparatus and method for an evaporative control system including an integrated pressure management apparatus A diagnostic appartus and method for a fuel system that supplies fuel to an internal combustion engine. The fuel system includes a fuel tank that has a headspace and a filler occluded by a removable cap, a charcoal canister in fluid communication with the headspace,... | 08/23/2005 |
| 6910337 | Method and apparatus for storing liquids and liquefied gases The invention relates to a method for storing liquefied zeotropic gas mixtures. To ensure a composition of the liquid phase which meets specifications, the change of the gas phase is determined by means of a differential pressure transducer by comparing the pressure... | 06/28/2005 |
| 6910500 | Integrated pressure management system for a fuel system An integrated pressure management system manages pressure and detects leaks in a fuel system. The integrated pressure management system also performs a leak diagnostic for the head space in a fuel tank, a canister that collects volatile fuel vapors from the head spa... | 06/28/2005 |
| 6901789 | Method for determining parameters A method for determining parameters for the viscosity or temperature of a brake fluid of a vehicle by way of a predetermined pressure build-up within time limits in at least one defined section of a brake circuit and for detecting a pressure in the said section and/... | 06/07/2005 |
| 6779378 | Method of monitoring evaporation rate of source material in a container A method for monitoring the capability of a source container comprising liquid or solid source material to produce vaporized source material comprises extracting vaporized source material from the source container. The source container is then isolated and a propert... | 08/24/2004 |
| 6266996 | Simple and inexpensive method and device for measuring concentration and rate of change of a crystal etchant gas, such as HF or DF gas A method and device for determining concentration and rate of change of concentration of a gas having ability to act as crystal etchant, such as hydrofluoric acid (HF) or deuterium fluoric acid (DF) gas. A crystal 22 is placed in a chamber and subjected t... | 07/31/2001 |
| 4905505 | Method and system for determining vapor pressure of liquid compositions The vapor pressure of a multi-component liquid composition is measured by providing an eductor through which the liquid composition is caused to flow at selected inlet pressures to provide incrementally changing pressure differentials across the eductor. ... | 03/06/1990 |
| 4733557 | Method and system for determining vapor pressure or composition of hydrocarbon liquids The bubble point pressure, vapor pressure and liquid composition of hydrocarbon liquid flow streams is determined by causing the liquid flow stream to flow through a system having a plurality of eductors at selected various total pressure differentials ac... | 03/29/1988 |
| 4543819 | Vapor-liquid ratio analyzer The vapor-liquid ratio temperature of a liquid is determined for a specified vapor-liquid ratio and pressure by filling a chamber with a unit volume of the liquid. The capacity of the chamber is then expanded to generate a number of unit volumes of vapor ... | 10/01/1985 |
| 4445366 | Pressure differential gage and a method for detecting the presence of noncondensible gases in a refrigeration system A pressure differential gage and a method for detecting the presence of noncondensible gases in a refrigeration system. The pressure differential gage comprises a housing, a diaphragm, first and second tubes, a reference fluid, and indicator means. The di... | 05/01/1984 |
| 4301676 | Method for measuring the ionic activities in water with a differential pressure transducers An apparatus and method that gives very accurate measurements which allow one to determine the values of ionic activities of aqueous electrolyte solutions. To obtain these accurate measurements, moderately accurate measurements of vapor pressure differenc... | 11/24/1981 |
