Lubrication – Systems – With measuring or metering value system
Patent
1998-09-17
2000-08-01
Bucci, David A.
Lubrication
Systems
With measuring or metering value system
184 71, 384322, F01M 112
Patent
active
060952873
ABSTRACT:
A device introduces lubricant to a shaft at a portion held by bushings located at a bearing portion of a pulley. The shaft is provided with a main fluid passage having a relatively large diameter. A packing member having a rod-shaped configuration is inserted through this main fluid passage. The dimensional difference between an open area of the main fluid passage and a sectional area of the packing member creates in the fluid passage a lubricant feeding hole which is smaller than the open area of the main fluid passage. A tributary fluid passage extending from this main fluid passage to a diametrical outside portion of the main fluid passage is provided with slits on an outer circumferential surface of the shaft such that the slits intersect the lubricant feeding hole at right angles. Wire is then inserted through each slit. The slits are then closed with a packing except for the portion containing wire. Consequently, the dimensional difference between the open area of each slit and the sectional area of the wire serves as a lubricant feeding hole.
REFERENCES:
patent: 5205376 (1993-04-01), Nowak
patent: 5253733 (1993-10-01), Miyachi
patent: 5279497 (1994-01-01), Sjodin
patent: 5290617 (1994-03-01), Mochizuki et al.
Bucci David A.
Kim Chong H.
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