Patent ID: 9200802
Filing Date: 2015-12-01
Classification: F23C,F23D,F23K,F23N

Abstract:
1. A heater assembly for use with one of a first fuel type or a second fuel type different than the first, the heater assembly comprising: a pressure regulator having a first position configured to regulate a fuel flow of a first fuel type within a first predetermined range, and a second position configured to regulate a fuel flow of a second fuel type within a second predetermined range different from the first, the pressure regulator comprising: a housing having first and second fuel hook-ups, the first fuel hook-up for connecting the first fuel type to the heater assembly and the second hook-up for connecting the second fuel type to the heater assembly; and an actuation member having an end located within the second fuel hook-up and having a first position and a second position, the actuation member configured such that connecting a fuel source to the heater assembly at the second fuel hook-up moves the actuation member from the first position to the second position which changes the height of the at least one spring from the first spring height to the second spring height and thereby moving the pressure regulator from the first position to the second position.