摘要:
A connected impeller and shaft is provided. The shaft has a first part which provides a threaded portion carrying a thread which screws onto a corresponding threaded portion of the impeller. The shaft also has a second part which provides an abutment surface for engaging a corresponding abutment surface of the impeller when the threaded portions are screwed together, thereby tightening the threads to provide a rotationally fixed connection between the impeller and the shaft. The first part is rotationally fixed relative to the second part at a joint. The threaded portion of the shaft is axially spaced a first distance from the abutment surface of the shaft. The threaded portion of the shaft is axially spaced from the joint by a second distance which is greater than the first distance. The threaded portion of the shaft and the joint are on the same side of the impeller. The impeller has a connector which provides the corresponding threaded portion and the corresponding abutment surface. The connector is rotationally fixed relative to the rest of the impeller.
摘要:
This compressor assembly method involves: an arrangement step in which a bundle (2) is arranged such that an external travel device (31) can travel on a base surface (25) and an internal travel device can travel on the inner peripheral surface (12) of a casing (3); a vertical position adjustment step in which, while measuring the relative positions in the vertical direction of the inner peripheral surface (12) of the casing (3) and the outer peripheral surface (13) of the bundle (2) at the opening (15) of the casing, the height position of the bundle (2) supported by the outside travel device (31) is adjusted on the basis of the measured relative positions in the vertical direction; and an insertion step in which the bundle (2) is inserted into the casing (3) while the vertical position adjustment step is performed.
摘要:
La présente invention concerne un ventilateur (10) comportant : - une virole externe (12) dont la surface interne (20) délimite une veine d'air (14), - une roue (26) munie de pâles (28) montée rotative dans la virole (12) pour la mise en mouvement de la veine d'air, - un moteur (22) d'entrainement de la roue (26), - un circuit électrique (40) comportant des composants (44) pour la commande et l'alimentation du moteur (22), lequel circuit (40) comporte des moyens de refroidissement des composants (44) par circulation d'air prélevé dans la veine d'air (14), caractérisé en ce que : lesdits moyens de refroidissement comportent un piquage aval (52) d'entrée d'air et un piquage amont (54, 56) de réintroduction d'air formé au travers de la surface interne (20) de la virole (12), et au moins un conduit de refroidissement continu (50) reliant les piquages amont (52) et aval (54, 56) isolant les composants (44) du circuit électrique de l'air circulent dans le conduit de refroidissement (50).
摘要:
A gas turbine is provided comprising at least one rotor assembly (10); and at least one compressor casing (11); wherein the compressor casing comprises at least one inner compressor casing chamber (1112) for arranging the rotor assembly and at least one outer compressor casing chamber (1113) for tempering the compressor casing; the inner compressor casing chamber (1112) and the outer compressor casing chamber (1113) are separated from each other by a separating casing wall (1101); the outer compressor casing chamber (1113) comprises at least one boundary casing wall (110); the boundary casing wall (110) and the separating casing wall (1101) are oppositely spaced from each other such that the outer compressor casing chamber is formed; and the boundary casing wall (110) comprises at least one inlet opening (1100) for leading in an inlet tempering gas flow (1115) with tempering gas into the outer compressor casing chamber (1113) such that a tangential material temperature variation of the compressor casing (11) is reduced in comparison to a non tempered compressor casing. Preferably more inlet openings (1100) are distributed alongside an internal surface of the boundary casing wall (110).
摘要:
A ram air fan assembly (10) includes a motor/bearing housing (30) that extends along a horizontal length of the ram air fan assembly (10). An inner housing assembly (32) is in fluid communication with the motor/bearing housing (30) to define a joint (65) The inner housing assembly (32) includes first and second ellipse-shaped slots (58, 58'). The first slot (58') is positioned at a first angle (θ 1 ) with respect to a radial axis of the inner housing assembly (32) that is perpendicular to the horizontal length, and the second slot (58) is positioned at a second angle (θ 2 ) with respect to the radial axis, the second angle (θ 2 ) being different from the first angle (θ 1 ), and each slot (58, 58') extending along a first direction parallel to the horizontal length to define an axial width (wA) and extending along a radial axis to define a radial width (wR) being greater than the axial width (wA).
摘要:
A ram air fan assembly (10) includes a ram air fan (12) disposed at a fan inlet (14) and a ram air fan motor (20) operably connected to the ram air fan (12). A blower (46) is operably connected to the ram air fan (12) and is configured to redirect a cooling flow (32) across the ram air fan motor (20) from a substantially axially directed flow to a substantially radially directed flow thereby increasing the cooling flow (32) across the ram air fan motor (20). A method of cooling a ram air fan assembly (10) includes urging a cooling flow (32) toward the ram air fan motor (20) and is directed across the ram air fan motor (20) thus removing thermal energy from the ram air fan motor (20). The cooling flow (32) proceeds across a blower (46) operably connected to the ram air fan motor (20), thus directing the cooling flow (32) substantially radially outwardly toward the fan inlet (14).
摘要:
A compressor assembly having a compressed gas tank having a tank dampening device in the form of a vibration absorption member. The vibration absorption member can provide a pressure to a portion of the compressed gas tank. A method of controlling sound emitted from a compressor assembly, by using a vibration absorber which exerts a force upon the compressed gas tank. A means for controlling the sound level of a compressed gas tank by using a means for absorbing vibration from the compressed gas tank which exerts a pressure on a portion of the compressed gas tank.
摘要:
A compressor assembly that has a compressed air tank having a vibration absorption member. The vibration absorption member can exert a pressure on a portion of the compressed air tank. A method of controlling sound emitted from a compressor assembly, by using a vibration absorber which applies a force against the compressed gas tank. Controlling the sound level of the compressed gas tank is accomplished by absorbing vibration from the compressed gas tank by which exerting a pressure on a portion of the compressed gas tank.
摘要:
Provided is a compressor for use in a gas turbine engine, capable of preventing a creation of rust on an inner surface of the compressor casing, without complicating assembling process. The casing 15 of the compressor 3 accommodated rotor and stator blade wheels 13 and 17. The stator blade wheels 17 are supported on the inner surface of the casing 15 through outer flanges 30 thereof. Seal rings 52 are provided at inner surface portions of the casing 15 opposing the radially outward ends of the rotor blade wheels 13. The inner surface of the casing 15 is covered by the seal rings 52 and the outer flanges 30 of the stator blade wheels 17.