| 摘要 |
PCT No. PCT/SE89/00110 Sec. 371 Date Oct. 12, 1989 Sec. 102(e) Date Oct. 12, 1989 PCT Filed Mar. 8, 1989 PCT Pub. No. WO89/08782 PCT Pub. Date Sep. 21, 1989.A pump has a housing which is used as a foundation and comprises a working space for product-feeding units. The bearing axles of the units are arranged in bearing sleeves and introduced into the pump housing from the rear so that the axles extend, via front recesses in the pump housing, into the working space for interaction with the units. Sliding ring seals are arranged at the front recesses in order to seal off the working space from the rear of the pump. The pump housing is provided with a removably fitted front gable in order to permit access to the sliding ring seals from the front end of the pump housing. The pump housing is designed as a seat for the rotationally fixed part of each sliding ring seal and interacts with an element which fixes the axial displacement for the rotationally fixed part. The seat and the rotationally fixed part are arranged for simple introduction into and for removal from the seat of the rotationally fixed part. The pump housing has an abutting surface which can interact with the respective bearing sleeve and by means of which the axle can be adjusted in the direction of the longitudinal displacement relative to the seat. A gap between the rear surfaces of the units and an inner limiting wall in the working space can in a simple manner be assigned optimum width by means of adjustment at facing surfaces of the respective bearing sleeve and the pump housing. |
