Patent ID: 8263910

Claim:
A heater comprising: an outer casing having an air inlet formed through a rear surface of the outer casing; two air outlets formed respectively through two sides of the outer casing; and a power cable mounted through the outer casing; and at least one core assembly mounted in the outer casing, and each one of the at least one core assembly having at least one fan connected electrically to the power cable, drawing air axially from the air inlet of the outer casing and blowing air radially towards the air outlets of the outer casing; two heating assemblies mounted respectively in the sides of the outer casing, corresponding respectively to the air outlets and connected electrically to the power cable; an inner casing mounted in the outer casing and having one air inlet corresponding to the air inlet of the outer casing and two air outlets corresponding respectively to the air outlets of the outer casing; the at least one fan is mounted rotatably in the inner casing; and the heating assemblies being mounted respectively on two sides of the inner casing and correspond respectively to the air outlets of the inner casing; two connecting frames mounted respectively around the air outlets of the inner casing, each heating assembly being mounted securely across a corresponding connecting frame; the inner casing of each one of the at least one core assembly further having two guiding portions formed obliquely on and protruding respectively around the air outlets of the inner casing; and each connecting frame being mounted securely around a corresponding guiding portion.