Patent · US Expired

Pulsator for milking machines

US5167200A · kind A · utility

2Cited by

2References

3Claims

0Family size

Assignee

Westfalia Separator GmbH · DE

Inventors

Friedrich Icking · Oelde, DE
Otto Krone · Beesten, DE

Key dates

Filing date	Jan 14, 1992
Grant date	Dec 1, 1992
Priority date	—
Expiry date	Jan 14, 2012

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/2546
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A pulsator for milking machines comprises a bolt which travels back and forth in a housing and activates a slide. The slide alternately connects the pulsator's outlets to a source of vacuum and to the atmosphere. A diaphragm accommodated in a chamber at each end of the slide moves the bolt back and forth. An alternator is triggered by the slide as it arrives at one end or the other of its stroke. The alternator connects the chambers back and forth and alternately to the source of vacuum and to the atmosphere. The distance between the slide and at least one of the diaphragms is varied to suppress stagger.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.