公开(公告)号：US20230243424A1

公开(公告)日：2023-08-03

申请号：US18094013

申请日：2023-01-06

Applicant: Graco Minnesota Inc.

Inventor： Nathan C. Grossman ,  Tera D. Brezny ,  Ronald A. Flor ,  Todd L. Johnson

IPC: F04B43/00 ,  F04B43/06

CPC classification number: F04B43/0054 ,  F04B43/06

Abstract: A diaphragm for use in a pump includes a cover configured to contact fluid to pump the fluid and a backing disposed at least partially within the cover. The backing includes a flexible plate that extends outward relative to a core of the backing, the flexible plate configured to flex during reciprocation of the diaphragm. The cover is formed from a first polymer and the flexible plate is formed from a second polymer.

公开(公告)号：US11754181B2

公开(公告)日：2023-09-12

申请号：US18094013

申请日：2023-01-06

Applicant: Graco Minnesota Inc.

Inventor： Nathan C. Grossman ,  Tera D. Brezny ,  Ronald A. Flor ,  Todd L. Johnson

IPC: F16J3/02 ,  F04B43/06 ,  F04B43/00

CPC classification number: F16J3/02 ,  F04B43/0054 ,  F04B43/06

Abstract: A diaphragm for use in a pump includes a cover configured to contact fluid to pump the fluid and a backing disposed at least partially within the cover. The backing includes a flexible plate that extends outward relative to a core of the backing, the flexible plate configured to flex during reciprocation of the diaphragm. The cover is formed from a first polymer and the flexible plate is formed from a second polymer.