Portable airless sprayer

摘要

PORTABLE AIRLESS SPRAYER A fluid dispensing device (10) comprises a housing body (12), a fluid container (16), a reciprocating piston fluid pump (18), a primary drive element (20) and a spray tip (30). The housing body (12) is configured to be carried and supported by an operator of the hand held airless fluid dispensing device (10) during operation. The fluid container (16) is supported by the housing body (12). The reciprocating piston fluid pump (18) is coupled to the housing body (12) and comprises at least two pumping chambers (144, 152) configured to be actuated out of phase by at least one piston (72). The primary drive element (20) is coupled to the housing body (12) and connected to the reciprocating piston fluid pump (18) to actuate the at least one piston (72). The spray tip (30) is connected to an outlet (154) of at least one of the pumping chambers (144, 152).