摘要:
The invention relates to a pump, for example, a vane-cell pump or a roll-cell pump, especially a gear pump, comprising a two-stroke pump contour which comprises at least one mounting area, at least one large circular area, at least one declining area and at least one small circular area. The pump comprises a rotor with radially displaceable vanes or rolls arranged in radial slits inside the pump contour.
摘要:
The invention relates to a CO2 compressor for an air conditioning unit of a motor vehicle comprising a sealing device assigned to the drive shaft of the CO2 compressor and shaped in the form of sliding ring. The CO2 compressor (1) is characterized by a lubricating device (15), whereby the sealing device (13) is fed a flow of lubricant provoked by centrifugal forces.
摘要:
The invention relates to a pump, especially a power-assisted steering pump, comprising a current regulating valve, the current regulating valve comprising a hydraulic resistance, such as a main throttle and a regulating piston, whereby the main throttle can optionally be a regulating pin and an annular orifice.
摘要:
The invention relates to a pump for conveying a medium, especially hydraulic oil, comprising a flow regulating-valve which influences the flow of the medium being conveyed by the pump, and a flow channel which can be opened by said valve. The inventive pump is characterised in that a flow-dividing element (17) is provided for dividing the stream entering the flow channel (7). Said flow-dividing element (17) extends into the flow channel (7) and is located at a distance (a) from the muzzle (9) of said flow channel, said muzzle facing towards the flow regulating-valve.
摘要:
The invention relates to a pump for delivering a fluid, especially a vane-cell pump, comprising a delivery device (1) which is accommodated in a casing (2). The casing (2) is closed on one side by a casing cover (3), and the other side is connected to a bearing flange (4). An input shaft (11) passes through the bearing flange (4), the delivery device (1) and optionally through the casing cover (3). In addition, said input shaft is mounted in a passage which is configured in the bearing flange (4) and optionally configured in the casing cover (3). A side plate (16, 17) which is supported against the inner wall, and which centers the delivery device (1) in the casing (3) is respectively arranged between the delivery device (1) and the inner wall of the bearing flange (4) and optionally of the casing cover (3). The aim of the invention is to provide an easy centering of the side plate (16, 17), especially while reducing reference tolerances with regard to the casing (2). To this end, the side plate (16, 17) is centered directly in the passage for the input shaft (11) on the side facing the bearing flange (4).
摘要:
The invention relates to an axial piston motor (1), especially a compressor for the air conditioning system of a motor vehicle, comprising a housing (2) and a compressor unit (6). Said compressor unit is driven by a drive shaft (8), is arranged in the housing (2), and is provided for sucking and compressing a cooling medium. The compressor unit (6) comprises pistons (15) which move in a reciprocating motion in a cylinder block (18) and comprises a drive disc (11) which rotates with the drive shaft (8) and which drives the pistons (15). The aim of the invention is to obtain a delivery rate which is independent of rotational speed. To this end, the invention provides that the mass of the drive disc (11) is calculated such that the centrifugal forces generated when the drive disc (11) is rotating are large enough to counteract the pivoting movement of the drive disc (11) while actively regulating the same, and to influence the piston stroke and thus the delivery rate, especially to reduce or to limit the same.
摘要:
A vane-cell pump has a rotor that receives a plurality of radially movable vanes, a lifting ring which surrounds the rotor and forms at least one suction and one pressure region, and at least one compression plate which forms a lateral delimiting surface of the suction and pressure regions. When the vane-cell pump is in operation, a pressure is applied to the side of the compression plate opposite to the suction and pressure regions. The vane-cell pump is characterised in that the surface (17; 19) of the compression plate (13; 15) which faces the rotor (5) has a concave shape in the unpressurised state of the vane-cell pump (1).
摘要:
Eine Pumpe mit einem in einem Pumpengehäuse (1) angeordneten Rotor (2), der über eine Antriebswelle (3) drehangetrieben und dazu drehfest auf die Antriebswelle aufgesteckt ist, ist dadurch gekennzeichnet, dass die Antriebswelle ein zum Auffädeln des Rotors auf die Antriebswelle dienendes, sich verjüngendes freies Ende aufweist, und dass eine zwischen dem Gehäuse und der Oberfläche der Welle (3) wirkender Dichtring (22) angeordnet ist, dessen Dichtlippe (28) sich gegen die Oberfläche der Welle presst.