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George Herbert Willans
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6411. Willans, G. H. March 23. Lubricators.-A lubricator for the cylinders of locomotives and other steam-engines of the kind described in Specification No. 24,897, A.D. 1893, in which oil from a cup G is sucked past a doubleheaded valve D, is provided with an additional spring-pressed valve B to prevent steam from entering the cup G. The tension of the spring E is regulated by a screw F, which may be provided with a hand-wheel L, Fig. 2, and with a collar J to limit the outward movement. The head D' of the valve D and the head of the valve B are placed in recesses so as not to be subject to lateral displacement by a rush of steam.
GB190806411D1908-03-231908-03-23Improvements in Lubricators for Locomotives and other Steam Engine Cylinders.
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