Peter Kaever,Bernhard Schulze Wartenhorst,Otto Krone,Reinhard Frenser
申请号:
US10559159
公开号:
US08567345B2
申请日:
2004.06.07
申请国别(地区):
US
年份:
2013
代理人:
摘要:
Methods and apparatus for machine-milking an animal using a pulsed vacuum with sequential evacuation and ventilation phases in a teat cup pulse chamber by creating an improved pressure curve during the evacuation phase, the ventilation phase, or both pressure changing phases by controlling a pressure change phase using at least two pressure changing speed rates.