LUBRICATION CONTROL SYSTEM
First Claim
1. A lubrication control system for intermittent dosing of lubricant to one or more lubrication stations in a centrifugal separator, said lubrication control system comprising:
- a lubricant supply arrangement for supplying lubricant to at least one of the one or more lubrication stations;
at least one pump supplying intermittent pulsed volumes of lubricant from the lubricant supply arrangement to at least one lubricant pulse monitoring device, said at least one lubricant pulse monitoring device comprising;
an elastic chamber to receive said pulsed volumes of lubricant from the the at least one pump;
an outlet export valve at an outlet from the elastic chamber, said outlet export valve closing when a pulsed volume is delivered to the elastic chamber and opening to deliver the lubricant to the one or more lubrication stations; and
a pressure transmitter measuring the pressure in said elastic chamber at least when a pulsed volume is received in the elastic chamber; and
a control computer, said control computer;
regulating the at least one pump controlling the pulses;
closing the outlet export valve when a pulsed volume is delivered to the elastic chamber;
controlling the measured pressure in the chamber; and
if the measured pressure in the chamber corresponds to a required volume of lubricant, opening the outlet export valve for deliverance of lubricant to the one or more lubrication stations.
1 Assignment
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Accused Products
Abstract
A lubrication control system for intermittent dosing of lubricant to one or more lubrication stations in a centrifugal separator includes a lubricant supply arrangement for supplying lubricant to at least one lubrication station. At least one pump is supplying intermittent pulsed volumes of lubricant from the lubricant supply arrangement to at least one lubricant pulse monitoring device including an elastic chamber to receive said pulsed volumes of lubricant from the pump, an outlet export valve at an outlet from the elastic chamber closing when a pulsed volume is delivered to the elastic chamber and opening to deliver the lubricant to the lubrication station, and a pressure transmitter measuring the pressure in said elastic chamber at least when a pulsed volume is received in the elastic chamber. A control computer regulating the pump controlling the pulses, closing the outlet export valve when a pulsed volume is delivered to the elastic chamber, controlling the measured pressure in the elastic chamber and opening the outlet export valve for deliverance of lubricant to the lubrication station. Also a corresponding method includes pumping intermittent pulsed volumes of lubricant to an elastic chamber, measuring the pressure in the elastic chamber when the elastic chamber has received a pulsed volume, controlling if the pressure corresponds to a required volume of lubricant, opening an outlet export valve at an outlet of said elastic chamber and emptying the elastic chamber and closing said outlet export valve to receive next pulsed volume of lubricant to the elastic chamber.
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Citations
20 Claims
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1. A lubrication control system for intermittent dosing of lubricant to one or more lubrication stations in a centrifugal separator, said lubrication control system comprising:
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a lubricant supply arrangement for supplying lubricant to at least one of the one or more lubrication stations; at least one pump supplying intermittent pulsed volumes of lubricant from the lubricant supply arrangement to at least one lubricant pulse monitoring device, said at least one lubricant pulse monitoring device comprising; an elastic chamber to receive said pulsed volumes of lubricant from the the at least one pump; an outlet export valve at an outlet from the elastic chamber, said outlet export valve closing when a pulsed volume is delivered to the elastic chamber and opening to deliver the lubricant to the one or more lubrication stations; and a pressure transmitter measuring the pressure in said elastic chamber at least when a pulsed volume is received in the elastic chamber; and a control computer, said control computer; regulating the at least one pump controlling the pulses; closing the outlet export valve when a pulsed volume is delivered to the elastic chamber; controlling the measured pressure in the chamber; and if the measured pressure in the chamber corresponds to a required volume of lubricant, opening the outlet export valve for deliverance of lubricant to the one or more lubrication stations. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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9. A method for intermittent dosing of lubricant to one or more lubrication stations in a centrifugal separator, comprising the steps of:
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pumping intermittent pulsed volumes of lubricant to an elastic chamber; measuring the pressure in the elastic chamber when the elastic chamber has received a pulsed volume; controlling if the pressure corresponds to a required volume of lubricant; opening an outlet export valve at an outlet of said elastic chamber and emptying the elastic chamber; and closing said outlet export valve to receive a next pulsed volume of lubricant to the elastic chamber. - View Dependent Claims (10, 11)
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Specification