Lubrication – Lubricators – Force feed
Patent
1998-02-10
2000-11-14
Bucci, David A.
Lubrication
Lubricators
Force feed
1841052, 417307, 417489, F16N 714
Patent
active
06145625&
ABSTRACT:
A lubricator for delivering grease lubricant to lubricating locations of a machine is coupled to a grease container and has a work chamber in which a delivery piston reciprocates. To ensure that a compressible medium, such as air which has been drawn into the work chamber is rapidly expelled therefrom, the work chamber is divided by a grease return device into a compressing portion and a delivery portion. Triggered by a sufficiently high pressure level which prevails in the compressing portion and which is present only during grease delivery, an otherwise blocked return connection is established between the compressing portion and a supply port which couples the grease container to the work chamber, as long as the head of the delivery piston, in the course of its grease delivery stroke (forward stroke) is situated in the compressing portion.
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Deimel Thomas
Prokop Heinz-Jurgen
Zumbach Ferdinand
Bucci David A.
Kelemen Gabor J.
Kim Chong H.
Krupp Bautechnik GmbH
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