Lubrication – Systems – With safety or indicating means
Reexamination Certificate
2006-03-28
2006-03-28
Ridley, Richard W. (Department: 3682)
Lubrication
Systems
With safety or indicating means
C184S006100, C184S108000, C073S010000
Reexamination Certificate
active
07017712
ABSTRACT:
A volumetric lubricant dispensing apparatus for delivering a precise volume of lubricant, such as oil, to a rotating machine element. The delivery mechanism includes a piston and cylinder assembly. A plurality of sensors are utilized to record operating conditions of the machine, element, environment, and lubricant. The apparatus is controlled either manually or with the aid of a controller unit such as a microprocessor. The output from each sensor is inputted into the microprocessor wherein an algorithm computes an responsive output. The responsive output is sent to the piston and cylinder assembly, which maintains an optimum lubricant condition within the reservoir wherein a rotating machine element located. Alternatively, for the purpose of qualitative control, the present invention may be described as a system intended for controlling lubricants, both mineral (natural) and synthetic based by measuring the condition characteristics of the lubricant. Some condition characteristics may include water or moisture content (the content could be any liquid, e.g., solvents like ketones are known to change condition characteristics like viscosity) and viscosity. Viscosity is related to temperature, therefore, temperature correlation to viscosity is helpful to provide relative indications for condition characteristics like lubricant flow.
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Hydraulic and Lubrication Systems Solutions: Water Sensor- An essential tool for fluid condition monitoring Pall corporation sales literature, not dated.
Cravillion Keith
Moertl Mark
Rake Brad
Hansen Colby
Ridley Richard W.
Ryan Kromholz & Manion S.C.
Trico Mfg. Corp.
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