Pumps – Expansible chamber type – Valved piston
Patent
1986-07-25
1988-09-06
Smith, Leonard E.
Pumps
Expansible chamber type
Valved piston
137 71, 13753317, 417570, 417388, F04B 2102
Patent
active
047689323
ABSTRACT:
There is provided an improved airless paint spray pump having an intake, an inlet valve assembly, a pumping chamber, an outlet, an outlet valve assembly, and stroke pumping means for pumping the fluid paint into the pumping chamber through the intake during the intake stroke and through the outlet on the pumping stroke. The inlet valve assembly includes a flat valve which cooperates with a valve seat at the intake and is displaced from the valve seat during the intake stroke of the pumping means and is seated on the valve seat during the pumping stroke of the pumping means. The flat inlet valve replaces the previous ball type inlet or check valve thereby expanding the design capabilities of the pump.
REFERENCES:
patent: 1483436 (1924-02-01), Hazard
patent: 1693114 (1928-11-01), Heany
patent: 1788886 (1931-01-01), Nutt
patent: 2430427 (1947-11-01), Katcher
patent: 2554002 (1951-05-01), Beamesderfer et al.
patent: 2585773 (1952-02-01), Hartman
patent: 2843044 (1958-07-01), Mashinter
patent: 3693644 (1972-09-01), Dilorenzo
patent: 4035107 (1977-07-01), Kesten et al.
patent: 4679989 (1987-07-01), Harriman et al.
LandOfFree
Hydraulic paint pump does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Hydraulic paint pump, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydraulic paint pump will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1604138