Plunger pump for water jet loom

Expansible chamber devices – Abutment connection between working member and power...

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Details

92165R, 417471, F16J 110, F16J 1518

Patent

active

060891416

ABSTRACT:
The straightness of the piston of a water jet loom plunger pump for discharging water under a high pressure is maintained to allow its smooth movement with respect to the cylinder. For this, a roller guide is arranged at a reciprocal piston actuating mechanism unit. By forming a bent tube at a water discharging passage from the cylinder to a conduit, moreover, the resistance to the water to be discharged from the cylinder is reduced. The piston is given a degree of freedom to move with respect to a drive member connected to a pump cam and a lever. This enables the piston to move with the least resistance in the cylinder.

REFERENCES:
patent: 817381 (1906-04-01), Matson
patent: 1868935 (1932-07-01), Breneman
patent: 2640424 (1953-06-01), Babitch
patent: 4541788 (1985-09-01), Nomura et al.
patent: 4736675 (1988-04-01), Stoll
patent: 5085129 (1992-02-01), Dugan
patent: 5374168 (1994-12-01), Kozawa et al.
patent: 5785508 (1998-07-01), Bolt

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