Fluid handling – Processes – With control of flow by a condition or characteristic of a...
Patent
1989-02-21
1989-09-12
Cohan, Alan
Fluid handling
Processes
With control of flow by a condition or characteristic of a...
137 92, G05D 2400
Patent
active
048650676
ABSTRACT:
A system for controlling the consistency of a material pumped from a reservoir, by introducing an alterant into the material, which system includes a diaphragm-type pump for pumping the material from a reservoir, the pump being driven by a double-acting air cylinder motor controlled by a pilot-operated two-position, four-way air valve having reducing valves connected at its air input ports to create pressure differentials between the input air and the operating air in the cylinder during steady state-operation of the pump. The motor is mounted so as to be relatively movable substantially toward and away from the pump responsively to change in the pressure differentials in the cylinder due to changes in the consistency. A compression spring, forming part of the mounting, is disposed so that under steady state conditions of consistency of material being pumped, an equilibrium exists between the forces acting between the motor and the pump, and the force acting on the motor by the spring, and the motor and pump do not move relatively to one another. A change in the consistency of the material will disturb that equilibrium, causing the motor to move relatively to the pump, and such movement serves to operate a valve that controls the introduction of alterant into the material.
REFERENCES:
patent: 1985312 (1934-12-01), Bryson
patent: 2590538 (1952-03-01), Huck
patent: 3632700 (1972-01-01), Oglevee
Cohan Alan
Crathern Engineering Co., Inc.
LandOfFree
Fluid consistency regulating 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 Fluid consistency regulating pump, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fluid consistency regulating pump will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-909294