Fig. 9 | Scientific Reports

Fig. 9

From: Study of the energy efficiency of various drive systems of an innovative implantable left ventricular assist device

Fig. 9

Diagram of the hydraulic, pneumatic and electrical system for testing the energy efficiency of the electrical system of an external portable case. A1, A2—the tanks with a membrane, SpHe—helium pressure \(p_b\) sensor, Sp1—pulmonary veins pressure sensor; Sp3—aorta pressure sensor \(p_{ao}\), Spp—atrium fluid pressure \(p_{at}\) sensor, Spk—fluid ventricular pressure \(p_v\) sensor, Q—mass flow meter, Z—fluid container, ZZ—mechanical check valve, NP—suction-discharge unit drive system, G1, G2, G3—meters measuring the electricity consumption, PR1, PR2, PR3—voltage converters, C—ODROID computer, SeAm—Mitsubishi servo amplifier, Sa—a piston position sensor.

Back to article page