Blower fan with through hole and fan support rod
An information handling system includes: a processor, a memory, and a power source; and a blower fan system including: a cylindrical bearing including a cylindrical hollow receiving portion extending from a top of the cylindrical bearing to the bottom of the cylindrical bearing; a cylindrical main shaft rotatably coupled in the cylindrical hollow receiving portion of the cylindrical bearing including a shaft pass-through hollow portion extending from a top of the cylindrical main shaft to the bottom of the cylindrical main shaft to form a pass-through hole; a set of fan blades mechanically coupled to the cylindrical main shaft having a set of magnets; an electromagnet to drive rotation of the set of fan blades; and a fan support rod passing through the cylindrical bearing and cylindrical main shaft at the shaft pass-through hollow portion and mechanically supporting the fan within a base chassis.
1. An information handling system comprising:
a processor, a memory, and a power source; and
a blower fan system including:
a cylindrical bearing including a cylindrical hollow receiving portion extending from a top of the cylindrical bearing to a bottom of the cylindrical bearing;
a cylindrical main shaft rotatably coupled in the cylindrical hollow receiving portion of the cylindrical bearing including a shaft pass-through hollow portion extending from a top of the cylindrical main shaft to a bottom of the cylindrical main shaft to form a pass-through hole;
a set of fan blades mechanically coupled to the cylindrical main shaft, the set of fan blades having a set of magnets;
an electromagnet arranged to rotationally drive the set of fan blades;
a fan support rod passing through the cylindrical bearing and the cylindrical main shaft at the shaft pass-through hollow portion and mechanically supporting the blower fan system within a base chassis of the information handling system to prevent a deflection of the bases chassis into a rotation of the set of fan blades;
a D-cover vent formed in a D-cover below the blower fan system; and an exhaust vent in the base chassis of the information handling system.
2. The information handling system of claim 1 , further comprising a printed circuit board and the electromagnet mechanically coupled to the cylindrical bearing, wherein the printed circuit board comprises an electrical circuitry to receive electrical signals from a fan module to control an actuation of the electromagnet and cause the rotation of the set of fan blades.
3. The information handling system of claim 1 , wherein the set of magnets including a set of permanent magnets mechanically coupled to the set of fan blades to magnetically couple the set of fan blades to the electromagnet mechanically coupled to the cylindrical bearing to cause the rotation of the set of fan blades.
4. The information handling system of claim 1 , wherein the fan support rod is a tube supporting the fan from the deflection of the base chassis of the information handling system.
5. The information handling system of claim 1 , further comprising a keyboard support chassis formed above the blower fan system, and wherein the fan support rod is mechanically coupled to an underside of the keyboard support chassis.
6. The information handling system of claim 1 , further comprising the D-cover formed below the blower fan system and wherein the fan support rod is mechanically coupled to the D-cover.
7. A blower fan for use in an information handling system thermal regulation system comprising:
a fan housing to house the blower fan having an outlet aperture on one side rotationally co-planar with a set of fan blades; the blower fan including:
a power input; a cylindrical bearing including a cylindrical hollow receiving portion extending from a top of the cylindrical bearing to a bottom of the cylindrical bearing;
a cylindrical main shaft rotatably inserted into the cylindrical hollow receiving portion of the cylindrical bearing;
the cylindrical main shaft including a shaft pass-through hollow portion extending from a top of the cylindrical main shaft to a bottom of the cylindrical main shaft, the set of fan blades mechanically coupled to the cylindrical main shaft; and
a fan support rod passing through the cylindrical bearing and the cylindrical main shaft at the shaft pass-through to support the blower fan within the fan housing to prevent a deflection of a chassis of the information handling system into a rotation of the fan blades;
a magnetic drive system to rotationally drive the set of fan blades; and
a D-cover formed below the blower fan and wherein the fan support rod is mechanically coupled to the D-cover wherein the fan housing is mechanically coupled to a keyboard support chassis formed above the blower fan.
8. The blower fan of claim 7 , further comprising a printed circuit board and an electromagnet mechanically coupled to the cylindrical bearing, wherein the printed circuit board comprises electrical circuitry to receive electrical signals from a processor and power to drive an actuation of the electromagnet forming a part of the magnet drive system.
9. The blower fan of claim 7 , further comprising a permanent magnet mechanically coupled to the set of fan blades to magnetically couple the set of fan blades to an electromagnet mechanically coupled to the cylindrical bearing of the magnetic drive system.
10. An information handling system comprising:
a keyboard support chassis to mount a keyboard thereon including a C-cover to house the keyboard; and
a processor, memory, and power source;
a blower fan including: a cylindrical bearing including a cylindrical hollow receiving portion extending from a top of the cylindrical bearing to a bottom of the cylindrical bearing;
a cylindrical main shaft rotatably coupled in the cylindrical hollow receiving portion of the cylindrical bearing;
the cylindrical main shaft including a hollow portion extending from a top of the cylindrical main shaft to a bottom of the cylindrical main shaft;
a set of fan blades mechanically coupled to the cylindrical main shaft;
an electromagnetic motor to rotationally drive the set of fan blades;
a fan support rod passing through the cylindrical bearing and the cylindrical main shaft, the fan support rod mechanically supporting the blower fan between the keyboard support chassis and a D-cover to prevent a deflection of the D-cover into a rotation of the set of fan blades; and
a blower fan housing including an inlet vent and a blower outlet aperture to dispense cooling air between the C-cover and the D-cover.
11. The information handling system of claim 10 , further comprising a printed circuit board and an electromagnet mechanically coupled to the cylindrical bearing, wherein the printed circuit board comprises an electrical circuitry to receive electrical signals from the processor to drive the actuation of the electromagnet as a part of the electromagnetic motor.
12. The information handling system of claim 10 , further comprising a permanent magnet mechanically coupled to the set of fan blades to magnetically couple the set of fan blades to an electromagnet mechanically coupled to the cylindrical bearing operating as the electromagnetic motor of a magnetic drive system.
13. The information handling system of claim 10 , further comprising a fan support rod alignment plug in a center of the cylindrical bearing in the cylindrical hollow receiving portion to align the fan support rod the cylindrical main shaft wherein the fan support rod alignment plug is mechanically coupled to the fan support rod.
14. The information handling system of claim 10 , wherein the fan support rod is mechanically coupled to the keyboard support chassis.
15. The information handling system of claim 10 , wherein the fan support rod is mechanically coupled to the D-cover.
16. The information handling system of claim 1 , further comprising:
the cylindrical bearing being operatively coupled to a bottom surface of a top fan chassis of the blower fan system.
17. The information handling system of claim 1 , further comprising: the cylindrical bearing that is being operatively coupled to a bottom surface of a keyboard chassis of the information handling system.
18. The blower fan of claim 7 , wherein the fan support rod passes through the cylindrical main shaft without contacting an interior surface of the cylindrical main shaft.
19. The information handling system of claim 10 , further comprising:
the cylindrical bearing being operatively coupled to a bottom surface of a top fan chassis of the blower fan.
20. The information handling system of claim 10 , wherein the fan support rod passes through the cylindrical main shaft without contacting an interior surface of the cylindrical main shaft.