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Method and device for sealing a machine part relative to a second machine part

A technology of machine parts, seals, applied in the field of sealing machine parts and devices relative to a second machine part, capable of solving problems such as no seal wear optimization

Active Publication Date: 2017-09-12
KRONES AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, a reliable seal must be provided independently of the actual filled or processed filled product
Because the corresponding filling or processing medium can be varied in a large range with regard to the applied pressure and the processing temperature in a beverage filling plant and it is possible to fill different filling products on the same beverage filling plant, for example filling the first with a cold filling device Filling the product and filling the second filling product with a hot filling device, so although a reliable sealing performance can be provided by the previously known devices for sealing, the wear of the seal is not optimized, because critical pressures, especially is the highest possible pressure to design the device

Method used

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  • Method and device for sealing a machine part relative to a second machine part
  • Method and device for sealing a machine part relative to a second machine part
  • Method and device for sealing a machine part relative to a second machine part

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Embodiment Construction

[0035] In the following, preferred embodiments will be described based on the drawings. In this case, identical, similar or identically acting elements are provided with the same reference symbols in the different figures and some of these elements are not described repeatedly in the following description in order to avoid complexity.

[0036] exist figure 1 A device 1 for sealing a first machine part 10 relative to a second machine part 12 is shown in figure 1 The first machine part 10 is a housing and the second machine part 12 is a shaft mounted in the housing, for example supported in the housing via schematically shown bearings 14 . Such an arrangement can be used, for example, in rotary media dispensers in beverage filling plants.

[0037] The seal 2 is shown, which is held on the first machine part 10 in the holding area 20 of the seal 2 and which bears sealingly against the second machine part 22 in the contact area 22 of the seal 2 . part 12. A fluid-operable pret...

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Abstract

The device (1) has a gasket (2), which is held on the primary machine component (10) and is sealed on the secondary machine component (12). A biasing element (3) is acted upon with a fluid for applying a bias on the sealing gasket. The bias is variably applied on the biasing element of the gasket. A controller (4) is provided for variable actuation of the biasing element provided with a fluid. The fluid acting upon the biasing element is substantially pressure switchable for cleaning and sterilization of the device. An independent claim is included for a method for sealing a primary machine component against a secondary machine component in a beverage filling system, particularly for sealing a shaft passage through a housing.

Description

technical field [0001] The invention relates to a device for sealing a first machine part relative to a second machine part in a beverage filling plant and a method for sealing a first machine part relative to a second machine part in a beverage filling plant. Background technique [0002] In rotary machines in the field of beverage filling, such as rotary fillers, rotary sterilizers or rotary rinsers, it is necessary to transfer fluid from stationary plant parts, such as the machine base, to the Stationary equipment parts and rotating equipment parts. Seals are known for this purpose which seal a stationary first machine part relative to a second machine part which moves relative to the first machine part. In particular, rotary seals are known by means of which a seal is provided, for example, for a bushing rotating on a stationary shaft. [0003] Various types of seals are known from the prior art, for example seals in which the sealing element is prestressed from a firs...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16J15/46
CPCF16J15/46
Inventor 弗朗茨·布朗彼得·施瓦茨菲舍尔
Owner KRONES AG
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