公开(公告)号：US20230240482A1

公开(公告)日：2023-08-03

申请号：US18159697

申请日：2023-01-26

Applicant: GOJO Industries, Inc.

Inventor： Steven S. Matsko ,  Nick E. Ciavarella ,  Jeffrey S. Louis

IPC: A47K5/16 ,  B05B7/00 ,  B05B7/04

CPC classification number: A47K5/16 ,  B05B7/0062 ,  B05B7/0425 ,  B05B7/045

Abstract: An exemplary foam dispenser includes a housing, a reservoir for holding a foamable liquid, and a pump located below the reservoir. The pump includes a liquid pump chamber, two or more air pump chamber and a manifold. The manifold includes a liquid outlet port, a liquid outlet valve and an air outlet port. An elongated liquid dispensing conduit in fluid communication with the liquid outlet port and an elongated air dispensing conduit in fluid communication with the air outlet port are also included. A mixing chamber having a mixing chamber liquid inlet, a mixing chamber air inlet, and a foam outlet is provided. The mixing chamber is located remotely from the sequentially operated multi-diaphragm pump. The elongated liquid dispensing conduit is in fluid communication with the mixing chamber liquid inlet and the elongated air dispensing conduit is in fluid communication with the mixing chamber air inlet.