Rotary vane pump
A rotary vane pump including a housing, and a motor. The motor includes a shaft which is coupled to a rotor. The rotor defines a plurality of slots. A plurality of free moving vanes are disposed within the slots. In one example, the rotor is formed from a first material and the plurality of vanes are formed from the first material and impregnated with a second material. The first material can be a carbon material. The second material can be a resin material, an antimony material, a copper material, or a silver material.
1. A rotary vane pump comprising:
a) a motor having a motor shaft;
b) a pump body mounted to the motor;
c) a rotor coupled to the motor shaft and disposed within the pump body; and
d) a plurality of vanes slidably received into slots defined within the rotor;
e) wherein, the rotor and the plurality of vanes are formed from at least a first material, wherein, for the plurality of vanes, the first material is impregnated with a second material such that the second material is 5% by weight.
2. The rotary vane pump of claim 1 , wherein the first material is a carbon material.
3. The rotary vane pump of claim 2 , wherein the first material is a graphite material.
4. The rotary vane pump of claim 1 , wherein the second material is a resin material.
5. The rotary vane pump of claim 1 , wherein the second material is a metal material.
6. The rotary vane pump of claim 5 , wherein the second material is one of antimony, copper, and silver.
7. The rotary vane pump of claim 1 , wherein the first material is a graphite and the second material is a resin.
8. The rotary vane pump of claim 1 , wherein the first material is 95% by weight.
9. The rotary vane pump of claim 1 , wherein the pump body is made from stainless steel.
10. The rotary vane pump of claim 1 , further comprising a filter for filtering air received by the rotary vane pump.
11. The rotary vane pump of claim 1 , further including a fan mounted to the motor shaft.
12. A rotary vane pump comprising:
a motor having a motor shaft;
a pump body mounted to the motor;
a rotor coupled to the motor shaft and disposed within the pump body; and
a plurality of vanes slidably received into slots defined within the rotor;
wherein, one or both of the rotor and the plurality of vanes is formed from a first material and impregnated with a second material;
wherein the first material associated with one or both of the rotor and the plurality of vanes has an initial pre-impregnated porosity of at least 5% by volume and is impregnated with the second material to have a post-impregnated porosity of less than 5% by volume.
13. The rotary vane pump of claim 12 , wherein the pre-impregnated porosity is between 5% and 10% by volume and the post-impregnated porosity is up to 5% by volume.
14. The rotary vane pump of claim 13 , wherein the pre-impregnated porosity is 10% by volume and the post-impregnated porosity is 1% by volume.
15. A rotary vane pump comprising:
a rotor defining a plurality of slots; and
a plurality of vanes slidably received into the slots;
wherein, the plurality of vanes and the rotor are both formed from a carbon material that has been impregnated with a resin material such that the resin material is 5% by weight and the carbon material is up to 95% by weight.
16. The rotary vane pump of claim 15 , wherein the carbon material has an initial pre-impregnated porosity of at least 5% by volume and is impregnated with the resin material to have a post-impregnated porosity of less than 5% by volume.
17. The rotary vane pump of claim 16 , wherein the pre-impregnated porosity is between about 5% and 10% by volume and the post-impregnated porosity is up to about 5% by volume.
18. The rotary vane pump of claim 17 , wherein the pre-impregnated porosity is about 10% by volume and the post-impregnated porosity is about 1% by volume.
19. The rotary vane pump of claim 15 , wherein the plurality of vanes includes 10% by weight a material other than carbon and resin. material to have a post-impregnated porosity of less than 5% by volume.
20.
A portable heater comprising;
a) a housing;
b) a fuel tank supported by the housing;
c) a burner assembly located within the housing; and
d) a rotary vane pump being located within the housing and arranged to deliver fuel from the fuel tank to the burner assembly, wherein the rotary vane pump comprising:
a motor having a motor shaft;
a pump body mounted to the motor;
a rotor coupled to the motor shaft and disposed within the pump body; and
plurality of vanes slidably received into slots defined within the rotor;
wherein, the rotor and the plurality of vanes are formed from at least a first material, wherein, for the plurality of vanes, the first material is impregnated with a second material such that the second material is 5% by weight.