Torgerson, Kevin L.,Hedlund, Nathan,Stuessel, Matthew J.
申请号：
AU2015271984
公开号：
AU2015271984A1
申请日:
2015.12.21
申请国别(地区):
AU
年份:
2016
代理人:
摘要：
#$%^&*AU2015271984A120160121.pdf#####SAFETY VALVE FOR AN AUTOMATIC DAIRY ANIMAL MILKER UNIT BACKFLUSHER AND TEAT DIP APPLICATOR ABSTRACT A safety valve (60) for a milker unit backflush system (20), the safety valve (60) comprising: a housing (70) for communication with a milk passage (62) from a downstream portion of a milker unit (40), and defining a backflush fluid inlet (186), and a backflush fluid conduit extending from the backflush fluid inlet (186) a first seal mounted in the backflush fluid conduit a second seal for closing the milk passage (62) and one backflush piston (120) disposed in the housing for movement between a milking position in which the backflush piston (120) engages the first seal but not the second seal such that the backflush fluid conduit is closed off and the milk passage is opened, and a backflush position in which the backflush piston (120) engages the second seal but not the first seal such that the milk passage is closed off and the backflush fluid conduit is opened.
