F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 53/10 (2006.01) F04B 33/00 (2006.01) F04B 49/24 (2006.01)
Patent
CA 2171324
A hand-held vacuum pump (10) with an attached vacuum limiter valve (60) is disclosed. The pump includes a cylinder (14) coupled with a handle (11), a piston (31) in the cylinder coupled with another handle (12), along with a suitable valving assembly for allowing a vacuum to be drawn at an inlet of the pump. More particularly, there is also disclosed a vacuum limiter (40) which can be attached to or form an integral part of the pump. The vacuum limiter includes a valve which is attached to the cylinder outlet port and which is adjustable for allowing the limit vacuum to be set.
L'invention concerne une pompe à vide à main (10) sur laquelle est montée une soupape de limitation de vide (60). Ladite pompe comprend un cylindre (14) accouplé à une poignée (11), un piston (31) situé dans le cylindre accouplé à une autre poignée (12), et un ensemble soupape permettant de créer un vide au niveau d'une admission de la pompe. L'invention concerne plus particulièrement un limiteur de vide (40) qui peut être adapté sur la pompe ou en faire partie intégrante. Ce dispositif comporte une soupape montée sur l'orifice de sortie du cylindre et ajustable afin de permettre le réglage du niveau limite de vide.
Macrae & Co.
Neward Theodore Chester
Pristech Inc.
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