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Method and apparatus for purging air from automatic lubrication systems

An automatic lubrication and gas removal technology, which is applied in the direction of engine lubrication, mechanical equipment, lubricating parts, etc., can solve problems such as the impact of machine productivity

Inactive Publication Date: 2011-09-14
IFIELD ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

All in all, a long and expensive process with serious impact on machine productivity

Method used

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  • Method and apparatus for purging air from automatic lubrication systems
  • Method and apparatus for purging air from automatic lubrication systems
  • Method and apparatus for purging air from automatic lubrication systems

Examples

Experimental program
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Embodiment Construction

[0042] will now refer to Figure 1 to Figure 4 Describe the basic operation of the different forms of automatic lubrication systems.

[0043] figure 1 A very basic motor driven centralized lubrication system is shown. Lubricating oil is loaded into reservoir 1 . The means for loading the lubricating oil is not shown, but is usually a rotary pump driven manually, electrically or by compressed air. When loaded with lubricating oil, the driven piston 2 is pushed up against the spring 3 . A rod 4 protrudes from the top of the reservoir 1 and provides a visual indication of the amount of lubricating oil in the reservoir.

[0044]The lubricating oil pump 5 has an inlet connection 6 and a delivery line 7 . The pump can be of the single piston type (rotary or reciprocating), and is most often an automatic reciprocating piston pump powered by compressed air. Power is provided by a motor 8, which can be electric, pneumatic, hydraulic or even manual. Vent valve 9 opens when the pu...

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PUM

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Abstract

An automatic lubrication system where grease is dispensed to injectors from a pump having a grease piston (42) reciprocated by a connecting rod from an oil piston (43) driven by alternating hydraulic pressure, is provided with air purge valves (41) associated with each injector. The air purge valves detect abnormal operation of the piston movement due to air in the grease by way of indicators (45) and (46) communicating with chambers in the pump, and open the air purge valve to dump air laden grease into a recovery reservoir (48). A sensor in the air purge valve warns the operator of purge valve operation, alerting the operator to a possible system malfunction.

Description

technical field [0001] The present invention relates to a method and apparatus for purging air from an automatic lubrication system by providing a valve to purge air or gas from the lubricant before it is delivered to the bearings of the machine, and has been designed especially for (although not For use only) in heavy machinery used in mining or earth moving. Background technique [0002] Automatic lubrication systems are used on many types of machinery, from large stationary plant equipment to smaller mobile buildings and mining equipment. Typically, it replaces procedures requiring manual operations with grease guns and the like. [0003] In this specification, the lubricant is referred to as lubricating oil, which is the most common lubricating substance, but this term should be understood to include other lubricants, such as oils and synthetic fluids or gels. [0004] Known centralized automatic lubrication systems provide useful functionality, but have some problems....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16N29/02F16K31/00F01M11/00F16N7/14
CPCF16N11/10F16N39/002Y10T137/7761Y10T137/8242
Inventor 本杰明·伊菲尔德
Owner IFIELD ENG
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