Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Lubricant testing
Patent
1998-12-11
2000-06-06
Williams, Hezron
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Lubricant testing
73 10, G01N 3326
Patent
active
06070456&
ABSTRACT:
Apparatus for evaluating fuel lubricity under elevated pressure conditions is disclosed. The apparatus includes a housing including a sidewall defining an enclosed interior cavity adapted for receiving and holding a quantity of the fuel at the elevated temperature and pressure condition, and a port through the sidewall communicating with the interior cavity adapted for receiving a drive rod. A drive rod is positioned to extend through the port, the drive rod having a working end including a chuck adapted for supporting a ball for oscillating movement in the interior cavity of the housing, and an opposite drive end located externally of the housing adapted for connection to a power source operable for moving the drive rod to oscillate the chuck and the ball along a predetermined path of movement in the interior cavity. A seal member extends around the drive rod forming a sealed condition between the drive rod and the housing. A load applying member is located in the interior cavity along the predetermined path of movement, and structure is provided operable for biasing the load applying member against the ball during the oscillating movement thereof.
REFERENCES:
patent: 1989627 (1935-01-01), Sage
patent: 2019948 (1935-11-01), Boerlage
patent: 4228674 (1980-10-01), Mertway
ISO/DIS 12156-1.3--Diesel Fule--Measurement of Lubricity by HFRR--Part 1: Test Method--Aug. 1996--9 pages.
Cameron Alastair
Cusac David A.
Hanard, II Marcel R.
Caterpillar Inc.
Ryan Kathleen M.
Tran Thuy Vinh
Williams Hezron
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