Reciprocating piston pump adjustable inlet ball travel

Details Reciprocating piston pump adjustable inlet ball travel Reciprocating piston pump adjustable inlet ball travel

2006-04-11

2006-04-11

Rivell, John (Department: 3753)

Fluid handling

Line condition change responsive valves

Direct response valves

C137S271000, C251S285000

Reexamination Certificate

active

07025087

ABSTRACT:
A ball stop valve (10) allows liquid to enter a reciprocating piston pump when internal suction is great enough to raise the ball (13) and create a space between the ball (13) and a seat (9). This invention allows the user to easily insert or remove rings (15) into the ball inlet valve, either above or below the ball (13), so that the space between the ball (13) and the seat (9) can be adjusted. The valve (10) is easily accessible to the user and all components of the ball valve (10) are removable.

REFERENCES:
patent: 4301825 (1981-11-01), Simko
patent: 4684334 (1987-08-01), Gargas
patent: 6123102 (2000-09-01), Loegel, Sr.
patent: 6135325 (2000-10-01), Fessel et al.

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