Improvements in or relating to Pumps
23,069. Adolfsson, A. E. Oct. 5. Cam-actuated pumps with reciprocating and rotating pistons. - Relates to pumps having pistons which reciprocate and rotate simultaneously, act as the fluid-distributing valves, and have helical surfaces at each end which coact with rollers to effect the reciprocation...
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Main Author | |
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Format | Patent |
Language | English |
Published |
21.06.1911
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Subjects | |
Online Access | Get full text |
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Summary: | 23,069. Adolfsson, A. E. Oct. 5. Cam-actuated pumps with reciprocating and rotating pistons. - Relates to pumps having pistons which reciprocate and rotate simultaneously, act as the fluid-distributing valves, and have helical surfaces at each end which coact with rollers to effect the reciprocation. The improvement consists in joining the right and left hand helical surfaces by a flat surface C, Fig. 1, so arranged that, when the ports E, F of the piston do not register with the inlet and outlet openings in the cylinder G, the piston does not reciprocate. |
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Bibliography: | Application Number: GBD191023069 |