초록 ▼

A dual-rate fuel flow control system for the gaseous or liquid fuel supplied to the burner of a space heater, comprising a valve controllable to supply full fuel flow to the burner at the start of a heating cycle to deliver full heat to the heat exchanger chamber in which circulates the heat transfe

A dual-rate fuel flow control system for the gaseous or liquid fuel supplied to the burner of a space heater, comprising a valve controllable to supply full fuel flow to the burner at the start of a heating cycle to deliver full heat to the heat exchanger chamber in which circulates the heat transfer fluid, and controllable to supply reduced fuel flow to the burner simultaneously with starting the circulating of the heat transfer fluid from the heat exchanger to the space to be heated.

대표청구항 ▼

In a space heating system having a furnace provided with a fuel burner for heating a heat transfer fluid circulating through a chamber in said furnace and a fuel line supplying fuel to said burner, said chamber being provided with thermostatic control for starting circulation of said fluid at a firs

In a space heating system having a furnace provided with a fuel burner for heating a heat transfer fluid circulating through a chamber in said furnace and a fuel line supplying fuel to said burner, said chamber being provided with thermostatic control for starting circulation of said fluid at a first predetermined temperature in said chamber and for stopping circulation of said fluid at a second predetermined temperature in said chamber, the improvement comprising means in said fuel line operated by said thermostatic control for reducing fuel flow to said burner simultaneously with starting said fluid circulation.