THRUSTER ASSEMBLY

摘要

A thruster assembly, comprising a switch (1) connected to a power source, a thruster (2), a propellant tank (3) for storing and pressurising a propellant, and a propellant channel (5) for guiding the propellant to the thruster (2). The thruster (2) comprises a space (20) for receiving the propellant from the propellant channel (5), an electrically controlled heating element (23), a thruster body (21) having a first thermal expansion coefficient, a valve component (22) having a second thermal expansion coefficient, which is different than the first thermal expansion coefficient, inside the thruster body (21), and a nozzle (25), wherein the valve component (22) comprises a sealing surface (24) closing the nozzle (25) in a first temperature, and the electrically controlled heating element (23) in response to actuation of the switch (1) heats said thruster (2) to a second temperature where the thermal expansion of the thruster (2) opens the nozzle (25).