Reversible feeder system
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United States of America Patent
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-
Feb 25, 1986
Grant Date -
N/A
app pub date -
Apr 19, 1984
filing date -
Apr 19, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cyclical lubricant feeder utilizing series spool valves to dispense measured quantities of lubricant to dispensing outlets from a common feed source with a plurality of the spool valves arranged in series in valve block assemblies which in turn are in series with one another whereby dispensing through the outlet for each spool valve in a block assembly is in progression with the other outlets from the spool valves in the valve block assembly is provided with a control valve controlling inlet and outlet flow to the valve block assembly bypassing flow from the inlet to the outlet when all of the valves in the block have been shifted to one side and bypassing flow from the outlet to the inlet upon reverse lubricant flow to the block only when all of the valves in the block have been shifted to the other side.
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