A hand-held vacuum device is disclosed that includes a housing to hold an electric motor operable to drive a piston pump that is configured to draw a substantially continuous vacuum for each complete cycle of the piston pump. The hand-held vacuum device also includes an expansion chamber releasably connected to and in fluid communication with the housing and a vacuum interface that has a vacuum connector in fluid communication with the expansion chamber and is configured to releasably couple to a valve disposed on a container. The expansion chamber separates air and liquid from a fluid drawn into the expansion chamber.
申请公布号
CA2635095(C)
申请公布日期
2014.01.07
申请号
CA20082635095
申请日期
2008.06.13
申请人
S. C. JOHNSON HOME STORAGE, INC.
发明人
THUOT, RAECHELL M.;ACKERMAN, BRYAN L.;DAIS, BRIAN C.;TURVEY, ROBERT R.;DUBAY, JEREMY M.