Vane motor

Abstract

The invention relates to a vane motor (1), comprising a rotor body (2), which is driven by compressed air and which has vane gaps (3) for radially movable vanes, and a rotor shaft (4) for rotatably mounting the rotor body (2) with respect to a motor bush (11). In order to provide a vane motor (1) and a method for lubricating a vane motor (1) that ensure particularly long, low-maintenance operation, the vane motor (1) being easy to maintain and being capable of particularly economical and environmentally friendly operation, it is provided that the rotor shaft (4) is designed as a hollow shaft having a first lubricant reservoir (5) in the interior, the first lubricant reservoir (5) having a lubricant introduction opening (6) accessible from the exterior (represented by a symbol shown in thespecification) of the vane motor (1), and the first lubricant reservoir (5) being connected, by means of at least one radial lubricant bore (7), to at least one further lubricant reservoir (50) arranged in a portion (20) of the rotor body (2) between two vane gaps (3) and / or to an outlet opening (8) arranged in one of the vane gaps (3) for feeding lubricant into the vane gap (3).

Description

technical field [0001] The invention relates to a vane motor having a rotor body driven by compressed air with vane gaps for radially movable vanes and a rotor shaft for rotatable mounting relative to a motor bushing Rotor body. Furthermore, the invention relates to a method for lubricating such a vane motor. Background technique [0002] Vane motors are known in various embodiments in the prior art and are widely used in various applications, for example as air motors for elevators. [0003] For such vane motors, the rotor body is arranged eccentrically in the motor bushing. Longitudinal slots, vane gaps are located in the vane body, and the vanes are movably arranged in the vane gaps. A working fluid or corresponding gas, such as compressed air, supplied to the vane motor is guided into chambers formed between the vanes. The compressed air then drives the motor so that the rotor body begins to rotate in the motor bushing. In this case, the vanes can be pressed outward...

AI Technical Summary

Problems solved by technology

However, this creates the disadvantage that oil must first be added to the working compressed air, which must then be removed or recovered accordingly, or the used compressed working air must be disposed of in such a way that it is added and remains in the working Oil in the compressed air cannot enter the surrounding environment or the corresponding environment

However, this has the disadvantage that, especially under difficult operating conditions, such as high heat and high load, the air motor periodically needs to be completely disassembled for maintenance and the cavity then refilled with lubricant

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