Fluid pulsator with accumulator for frequency control

Details Fluid pulsator with accumulator for frequency control Fluid pulsator with accumulator for frequency control

1994-04-28

1995-03-21

Grant, Willliam

Fluid sprinkling, spraying, and diffusing

With means causing intermittent interruption of supply to...

239381, 239526, B05B 108

Patent

active

053988736

ABSTRACT:
A fluid pulsator (10) has a main housing (20) having an outlet conduit (24) projecting into a chamber (25) defined by the front of the main housing (20). A primary piston (30) is reciprocally translatable within the main housing (20) and has fluid conduits (34) for fluid flow through its body. A plunger (40) is spring-loaded and reciprocally translatable through the primary piston (30). The head (42) of the plunger abuts the front end of the primary piston (30) when the plunger (40) is in its retracted position. The main housing (20) has an abutment in the form of a flange (26) that defines the rearwardmost position of the primary piston (30). The main housing (20) contains a mechanism (21) for engaging the end of the plunger (40) so as to maintain the plunger (40) in its forwardmost position until released. Fluid flows (11) generally from the posterior portion of the main housing (20) through the primary piston (30) toward the anterior end. Attached to the main housing (20) is an accumulator (50) having an accumulator housing (52) and a mechanism (54, 55, 56, 58) for reciprocally varying the fillable volume of the accumulator housing (52) and biasing the fillable volume in a position of least fillable volume.

REFERENCES:
patent: 3521819 (1970-07-01), Johnston
patent: 4177926 (1979-12-01), Hunter
patent: 4270697 (1981-06-01), Georgiev et al.

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