Abstract: An air conditioning apparatus that includes a turbine and a compressor with rotors mounted on and fixed to a common rotatable shaft with a heat exchanger located between the turbine and the compressor. The air conditioning apparatus turbine has an inlet that is connected to a source of air such as aircraft ram air the outlet from the turbine and is positioned to direct outlet air from the turbine to the heat exchanger. The compressor which is located adjacent to and downstream from the heat exchanger has an inlet that is positioned to receive air exiting from the heat exchanger. In one embodiment, no external power is necessary to obtain cooling of liquid coolant located within the heat exchanger that is integral with the air conditioning apparatus and another embodiment includes test equipment.

Abstract: A method, apparatus, and system provides an integrated viewer with one user interface and one API provides the ability to view, program, redline, and measure DWF and DWG files. In accordance with one or more such embodiments, the present invention provides an intelligent drawing redlining tool for easily and quickly drawing or annotating a drawing. For example, using the tool, a user can click the mouse over the first point of an arc segment. A bulge spacing function may then be utilized to define the length of an arc (also referred to as bulge spacing). In accordance with one or more embodiments of the invention, the bulge spacing function comprises holding down an arc defining key such as the <SHIFT>key while the second point of the arc segment is selected. Thereafter, the bulge spacing of the first arc segment (the distance of the arc between the first and second points) is utilized for the remaining arc segments of the enclosed polyline/path.

Abstract: Aircraft air control valve apparatus for controlling the flow of pressurized aircraft engine bleed air. The control valve apparatus includes a hollow housing with two end portions with each end portion having an aperture located therein with one end portion being connected to a source of pressurized aircraft engine bleed air. A shut-off valve is located in one end portion of the hollow housing for starting and stopping the flow of pressurized aircraft engine bleed air through the hollow housing and a modulating valve is located in the other end portion of the hollow housing for modulating the flow of pressurized aircraft engine bleed air through the hollow housing. The shut-off valve and the modulating valve are operated by the use of pressurized aircraft engine bleed air.

Abstract: Aircraft air control valve apparatus for controlling the flow of pressurized aircraft engine bleed air. The control valve apparatus includes a hollow housing with two end portions with each end portion having an aperture located therein with one end portion being connected to a source of pressurized aircraft engine bleed air. A shut-off valve is located in one end portion of the hollow housing for starting and stopping the flow of pressurized aircraft engine bleed air through the hollow housing and a modulating valve is located in the other end portion of the hollow housing for modulating the flow of pressurized aircraft engine bleed air through the hollow housing. The shut-off valve and the modulating valve are operated by the use of pressurized aircraft engine bleed air.