公开(公告)号：WO2015089391A1

公开(公告)日：2015-06-18

申请号：PCT/US2014/070003

申请日：2014-12-12

Applicant: GRACO MINNESOTA INC.

Inventor： RADZYUK, Igor V. ,  SHAW, Derek R. ,  HOLMAN, John C.

IPC: F16N25/02 ,  F16N7/16

CPC classification number: F16N27/00 ,  F16N7/385

Abstract: An adjustable restricted orifice comprises a restriction line, a piston, a vent path, and a length of engagement. The restriction line defines a bore, and the restriction line includes a fluid inlet and a fluid outlet. The piston is disposed within the bore. The vent path is defined as a clearance between the piston and the bore, and the length of engagement is a length of the piston disposed within the bore.

Abstract translation: 可调限制孔口包括限制线，活塞，通气路径和一定的接合长度。 限制线限定了孔，并且限制线包括流体入口和流体出口。 活塞设置在孔内。 排气路径被定义为活塞和孔之间的间隙，并且接合长度是设置在孔内的活塞的长度。