Abstract: A deicing and/or anti-icing liquid recovery system for recovering deicing and/or anti-icing liquids from airport apron/deicing platform surfaces, the system includes: a deicing-liquid recovery unit; a pump; and a collection tank, where the deicing/anti-icing liquid recovery unit includes a rotatable brush; a baffle; and a sorting tray fluidly connectable to said collection tank via pump, where the rotatable cylindrical brush is arranged to sweep a apron/deicing platform surface such that materials on the apron/deicing platform surface is forced over the baffle and into the sorting tray, wherein said filter is configured to separate liquids and solid phase materials from said swept-up material, and where liquids collected in the sorting tray can be pumped to the collection tank via said pump.

Abstract: The invention provides a method of sampling de-icing fluid from an airplane de-icer having a spraying nozzle for spraying the de-icing fluid onto a surface of an airplane, the de-icing fluid preferably being produced by the airplane de-icer by mixing a number of ingredients. The method comprises the steps of: i) obtaining a limited sample of the de-icing fluid by diverting at least a part of the de-icing fluid flowing towards the spraying nozzle for a period of time during the spraying of the de-icing fluid onto the surface of the airplane, and ii) collecting sample of the de-icing fluid in a sample container. A system for sampling de-icing fluid is also provided as well as an airplane de-icer comprising the system.

Abstract: The present invention relates to a de-icing and/or anti-icing liquid recovery system for recovering de-icing and/or anti-icing liquids from airport apron/deicing platform surfaces, the system comprising: a deicing-liquid recovery unit; a pump; and a collection tank, where the deicing/anti-icing liquid recovery unit comprises a rotatable brush; a baffle; and a sorting tray fluidly connectable to said collection tank via pump, where the rotatable cylindrical brush is arranged to sweep a apron/deicing platform surface such that materials on the apron/deicing platform surface is forced over the baffle and into the sorting tray, wherein said filter is configured to separate liquids and solid phase materials from said swept-up material, and where liquids collected in the sorting tray can be pumped to the collection tank via said pump. The invention also relates to a de-icing and/or anti-icing liquid recovery and a method for de-icing and/or anti-icing liquid recovery.

Abstract: A method for de-icing liquid on a surface of an airplane includes supplying de-icing liquid to and through a spraying nozzle of a de-icing vehicle through a pipe that connects the nozzle with a tank assembly of the de-icing vehicle, where the liquid is delivered to the spraying nozzle as a mix of an anti-freeze liquid and additives, the anti-freeze liquid is delivered to the pipe from an anti-freeze liquid tank via a first dosage pump, and the additives are delivered from an additives tank via a second dosage pump.

Abstract: The invention provides a method of sampling de-icing fluid from an airplane de-icer having a spraying nozzle for spraying the de-icing fluid onto a surface of an airplane, the de-icing fluid preferably being produced by the airplane de-icer by mixing a number of ingredients. The method comprises the steps of: i) obtaining a limited sample of the de-icing fluid by diverting at least a part of the de-icing fluid flowing towards the spraying nozzle for a period of time during the spraying of the de-icing fluid onto the surface of the airplane, and ii) collecting sample of the de-icing fluid in a sample container. A system for sampling de-icing fluid is also provided as well as an airplane de-icer comprising the system.

Abstract: A method for at least partially de-icing an aircraft by applying a de-icing fluid through a nozzle (10) is disclosed. The method involves the steps of: measuring a distance to an outside surface of the aircraft, applying the distance in an evaluation, controlling the position and/or the orientation of the nozzle (10) according to the evaluation, and applying the de-icing fluid at least a part of the outside surface trough the nozzle. In addition, a system for performing the de-icing method is also revealed.

Abstract: The invention pertains to a de-icer for airplanes, which comprises a self-propelled vehicle (32) which is provided with a lifting device (34, 36) for lifting and positioning a spraying nozzle (38) in the vicinity of an outer surface of an airplane to be de-iced. The nozzle (38) is fluidly connected to a tank assembly (40) via at least one pipe, wherein the tank assembly (40) comprises separate tanks (42, 44, 46) for an anti-freeze liquid, such as propylene or ethylene glycol, additives and water. Each tank (42, 44, 46) of the tank assembly (40) is fluidly connected to a mixing system (48) via pipes (50, 52, 54), the mixing system (48) is configured for mixing the liquids from each of the tanks (42, 44, 46) before supplying the mixed liquid to the nozzle (38). The invention also pertains to methods of providing onboard mixing of de-icing and anti-icing liquids in a de-icing vehicle.

Abstract: In a valve assembly (1) comprising a valve housing (2), a valve seat (3) and a valve body (4) adapted to fit in closing relationship in said valve seat (3) in a closed position, said housing (2) has an inlet (5) and an outlet (6) for a pressurized fluid, positioned upstream and downstream of the valve members, respectively. The valve has a closed position being maintained by a closing force e.g. from a compression spring (7) and an open position, wherein the valve seat (3) and/or the valve body (4) are moved away from each other by an activating mechanism. A pressure balancing line (11) is provided internally or externally of the housing (2), wherein fluid of the fluid flow downstream of the moveable valve member (3, 4) is in fluid connection with the opposite end of said member, when in use.

Abstract: Spraying installation (1) on a chassis (2) of a truck (3), comprising a spraying nozzle (4) at the free end of a telescopic arm (5) attached to the chassis (2) via elevation means, characterized by the telescopic arm (5) being supported in a first position (A) oriented along the length of the truck (3) and above the top of the truck, wherein the telescopic arm (5) is stowed in a horizontal transport position, and supported in at least one other, active position (B, C), whereby the telescopic arm stays in a horizontal position during the movement between said positions (A and B, C) in a space confined between the vertical planes of the two sides of the truck.

Abstract: A nozzle for a spray gun comprises a fixed assembly and a displaceable assembly; the fixed assembly comprising a tubular nozzle housing (1) having an inlet end (2) connectable to a fluid supply, and having an outlet end (3) and a flow passage extending from the inlet end (2) to the outlet end (3), the displaceable assembly comprising a pressure regulating mechanism arranged in said flow passage at the outlet end (3) in order to control the nozzle pressure Said mechanism comprises a stem (6); a baffle (7) mounted for axial displacement on said stem (6) in said flow passage defining a nozzle gap (20) between said baffle (7) and the housing (1). The fixed assembly further comprises means (12) to distribute a passing fluid flow and to support a second end (6b) of the stem and the means are fixed inside the housing (1), said means (12) further being adapted to fixedly receive a valve cone (5) connectable to an axially displaceable fluid supply tube (8) for supplying a fluid.

Abstract: A method for at least partially de-icing an aircraft by applying a de-icing fluid through a nozzle (10) is disclosed. The method involves the steps of: measuring a distance to an outside surface of the aircraft, applying the distance in an evaluation, controlling the position and/or the orientation of the nozzle (10) according to the evaluation, and applying the de-icing fluid at least a part of the outside surface trough the nozzle. In addition, a system for performing the de-icing method is also revealed.

Abstract: De-icer for airplanes, comprising a self-propelled vehicle (3) provided with a lifting device in the form of a first boom (2) pivoting around a base-near pivot (11) and being active in a longitudinal vertical plane forward of the pivot (11). The boom (2) is connected to a spraying platform (10) via a connection mechanism (8) maintaining a horizontal position of the platform floor. A spray gun (12) is mountable on the platform (10) and connected to a tank assembly (6) arranged substantially above and to the rear of the rear wheel axle (7), including deicing and/or anti-icing fluid tanks (6), heating means (4) for the fluids, and corresponding pumps (5) and piping (13) connecting the pumps (5) and the spray gun (12).

Abstract: The invention relates to de-icing and anti-icing procedures performed on airplanes on the ground, wherein a fluid is sprayed from the boom or arm of a de-icer installation onto the aircraft.

Abstract: Spraying installation (1) on a chassis (2) of a truck (3), comprising a spraying nozzle (4) at the free end of a telescopic arm (5) attached to the chassis (2) via elevation means, characterized by the telescopic arm (5) being supported in a first position (A) oriented along the length of the truck (3) and above the top of the truck, wherein the telescopic arm (5) is stowed in a horizontal transport position, and supported in at least one other, active position (B,C), whereby the telescopic arm stays horizontal during the movement between said positions (A and B,C) in a space confined between the vertical planes of the two sides of the truck.

Abstract: In a valve assembly (1) comprising a valve housing (2), a valve seat (3) and a valve body (4) adapted to fit in closing relationship in said valve seat (3) in a closed position, said housing (2) has an inlet (5) and an outlet (6) for a pressurized fluid, positioned upstream and downstream of the valve members, respectively. The valve has a closed position being maintained by a closing force e.g. from a compression spring (7) and an open position, wherein the valve seat (3) and/or the valve body (4) are moved away from each other by an activating mechanism. A pressure balancing line (11) is provided internally or externally of the housing (2), wherein fluid of the fluid flow downstream of the moveable valve member (3, 4) is in fluid connection with the opposite end of said member, when in use.

Abstract: The invention relates to de-icing and anti-icing procedures performed on airplanes on the ground, wherein a fluid is sprayed from the boom or arm of a de-icer installation onto the aircraft.