Infusion pump applied to ultra-high performance liquid chromatography system

• Main Authors: GUO YAOWU, ZHAO FURONG, SHI BAOYING, ZHANG XIN
• Format: Patent
• Language: Chinese; English
• Published: 10.11.2023
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model discloses an infusion pump applied to an ultra-high performance liquid chromatography system. The infusion pump comprises a selector valve, a degasser, a liquid inlet tee joint, a pump head mechanism and a buffer mixer which are sequentially arranged, the selector valve, the degasser and the liquid inlet tee joint are sequentially connected, and a liquid inlet, a first liquid outlet and a second liquid outlet are formed in the liquid inlet tee joint; the pump head mechanism comprises a first assembly and a second assembly, the first assembly comprises a first pump body and a first emptying valve which are connected, the first pump body is connected with the first liquid outlet, the second assembly comprises a second pump body and a second emptying valve which are connected, the second pump body is connected with the second liquid outlet, and the second emptying valve is connected with the second liquid outlet. The first emptying valve and the second emptying valve are respectively connected