公开(公告)号：US11047818B2

公开(公告)日：2021-06-29

申请号：US16672540

申请日：2019-11-04

Applicant: QINGDAO UNIVERSITY OF TECHNOLOGY ,  UNIVERSITY OF SOUTHERN CALIFORNIA

Inventor： Changhe Li ,  Min Yang ,  Runze Li ,  Yanbin Zhang ,  Xianpeng Zhang ,  Heju Ji ,  Yali Hou ,  Naiqing Zhang ,  Qidong Wu

IPC: G01N25/18 ,  G01K1/08 ,  G01K1/14 ,  G01K13/00 ,  G01K7/02 ,  G01N25/20

Abstract: The present invention discloses an integrated online measurement system for thermophysical property parameters of nanofluid cutting fluid, consisting of a gas path system, a fluid path system, a nanofluid thermal conductivity measurement device, a measurement device for a convective heat transfer coefficient and a nanofluid/workpiece heat partition ratio of the nanofluid cutting fluid, and a grinding force and grinding temperature measurement device or a milling force and milling temperature measurement device; the nanofluid thermal conductivity measurement device is located in the fluid path system; the gas path system provides pressure for the nanofluid in the fluid path system, two nozzles lead out from the fluid path system, and the nanofluid gas spray ejected by the nozzle I is sprayed onto the surface of a workpiece I to form the measurement device for the nanofluid convective heat transfer coefficient and the nanofluid/workpiece heat partition ratio; and the nanofluid gas spray ejected by the nozzle II is sprayed onto the surface of a workpiece II to form the grinding force and grinding temperature measurement device.

公开(公告)号：US10969058B2

公开(公告)日：2021-04-06

申请号：US16094003

申请日：2018-02-02

Applicant: QINGDAO UNIVERSITY OF TECHNOLOGY

Inventor： Changhe Li ,  Yanbin Zhang ,  Dongzhou Jia ,  Min Yang ,  Naiqing Zhang ,  Heju Ji ,  Zhaorong Bing ,  Yali Hou ,  Qidong Wu

IPC: F16N13/04 ,  F16N7/38

Abstract: A continuous supply precision minimum quantity lubrication pump supporting different lubrication conditions, including a pump system, a gas source processor, a driving system, an oil cup, a water pump, a two-position three-way solenoid valve, a water tank and an emulsion storage tank, wherein the processor is connected with the pump system through a bidirectional joint, the oil cup is connected with the pump system through an oil cup joint, the water pump is installed in a driving box body of the driving system and is connected with the pump system through a hose, the water tank and the emulsion storage tank are connected with the two-position three-way solenoid valve, the two-position three-way solenoid valve is connected with the driving system, and the driving system and the water pump are respectively driven by a stepping motor I and a stepping motor II.