초록 ▼

A drainback tank having a solar return pipe, at least a portion of the solar return pipe being located within the internal body of the tank, the solar return pipe having a hole that is in close proximity to the hole of an output pipe, such that the fluid in the solar return pipe flows into the outpu

A drainback tank having a solar return pipe, at least a portion of the solar return pipe being located within the internal body of the tank, the solar return pipe having a hole that is in close proximity to the hole of an output pipe, such that the fluid in the solar return pipe flows into the output pipe and leaves the tank housing to be used to heat the fluid of a corresponding hot water tank via convection in a heat exchanger.

대표청구항 ▼

1. A drainback tank comprising: a housing, the housing having a base and at least one side wall, the at least one side wall and the base forming an internal body for storing a fluid;a solar return pipe, at least a portion of the solar return pipe being located within the internal body of the tank, t

1. A drainback tank comprising: a housing, the housing having a base and at least one side wall, the at least one side wall and the base forming an internal body for storing a fluid;a solar return pipe, at least a portion of the solar return pipe being located within the internal body of the tank, the solar return pipe having a hole; andan output pipe, the output pipe being attached to and passing through the housing and into the internal body of the tank, the output pipe having a hole located within the internal body of the tank, the hole of the output pipe being aligned with and within a few inches of the hole of the solar return pipe,wherein a center axis of the hole of the solar return pipe is aligned with a center axis of the hole of the output pipe along a plane,wherein the fluid in the solar return pipe flows into the output pipe and leaves the tank housing, andwherein the hole in the solar return pipe is located below the fluid level in the tank and towards the bottom of the solar return pipe. 2. The tank of claim 1, wherein the hole in the solar return pipe is located less than five inches from the hole in the output pipe. 3. The tank of claim 1, wherein the hole in the solar return pipe is located less than one inch from the hole in the output pipe. 4. The tank of claim 1, wherein the solar return pipe is parallel to the longitudinal axis of the tank. 5. The tank of claim 1, further comprising a pump, the pump exerting pressure upon the fluid in the solar return pipe, allowing the fluid to pass from the solar return pipe and into the output pipe, so that the fluid exits the tank. 6. The tank of claim 5, wherein the fluid in the output pipe is passed through a heat exchanger after leaving the tank. 7. The tank of claim 6, wherein the fluid passed into the heat exchanger is the hottest fluid in the tank. 8. The tank of claim 7, wherein the fluid leaving the heat exchanger returns to a solar heating circuit after undergoing heat transfer. 9. The tank of claim 1, wherein the solar return pipe is connected to a solar heating circuit, so that the fluid returns from the solar heating circuit and into the solar return pipe. 10. The tank of claim 1, wherein the tank has a shape selected from a group consisting of a cylinder, rectangular cube, polyhedron, hexahedron, cuboid, trapezoid, pentagon, or cone. 11. The tank of claim 1, wherein the solar return pipe enters the tank above the level of fluid located within the tank and wherein the length of the solar return pipe extends the full height of the tank. 12. The tank of claim 1, wherein the tank is insulated and has poor heat transfer properties. 13. The tank of claim 1, wherein the solar return pipe is insulated and has poor heat transfer properties. 14. The tank of claim 9, wherein the solar return pipe comprises: an internal return pipe, the internal pipe being internal to and parallel to the longitudinal axis of the tank; andan external return pipe, the external return pipe being connected to the solar heating circuit, the external return pipe being connected with the internal return pipe and allowing the fluid returning from the solar heating circuit to pass through the external return pipe into the internal return pipe. 15. A drainback tank comprising: a housing, the housing having a base and at least one side wall, the at least one side wall and the base forming an internal body for storing a fluid; anda solar return pipe, at least a portion of the solar return pipe being located within the internal body of the tank, the solar return pipe having a hole;wherein the housing has a hole in the side of the housing that allows the fluid to exit the internal body of the tank, the hole of the housing being aligned with and within a few inches of the hole of the solar return pipe,wherein a center axis of the hole of the solar return pipe is aligned with a center axis of the hole of the output pipe along a plane,wherein the fluid in the solar return input pipe flows into the hole of the housing and leaves the tank housing through the hole in the housing, andwherein the hole in the solar return pipe is located below the fluid level in the tank and towards the bottom of the solar return pipe. 16. The tank of claim 15, further comprising an output pipe, the output pipe being attached to the hole in the side of the housing, such that the fluid in the tank exits the hole in the housing and enters the output pipe to leave the tank housing. 17. The tank of claim 15, further comprising a suction port, the suction port being connected to the hole in the housing and having an angled flange that fills the hole in the housing and interacts with the output pipe. 18. The tank of claim 15, wherein the hole in the solar return pipe is located less than five inches from the hole in the housing. 19. The tank of claim 15, wherein the hole in the solar return pipe is located less than one inch from the hole in the housing. 20. The tank of claim 16, further comprising a pump, the pump exerting pressure upon the fluid in the solar return pipe, allowing the fluid to pass from the solar return pipe and into the output pipe, so that the fluid exits the tank. 21. The tank of claim 16, wherein the fluid in the output pipe is passed through a heat exchanger after leaving the tank. 22. The tank of claim 21, wherein the fluid leaving the heat exchanger returns to a solar heating circuit after undergoing heat transfer. 23. The tank of claim 15, wherein the solar return pipe is connected to a solar heating circuit, so that the fluid returns from the solar heating circuit and into the solar return pipe. 24. The tank of claim 15, wherein the solar return pipe comprises: an internal return pipe, the internal pipe being internal to and parallel to the longitudinal axis of the tank; andan external return pipe, the external return pipe being connected to the solar heating circuit, the external return pipe being connected with the internal return pipe and allowing the fluid returning from the solar heating circuit to pass through the external return pipe into the internal return pipe. 25. A solar heating system comprising: a heat exchanger;a hot water storage tank, the hot water storage tank comprising: a housing, the housing having a base and at least one side wall, the at least one side wall and the base forming an internal body for storing a fluid, and a pipe, the pipe passing the fluid from the housing to the heat exchanger; anda drainback tank, the drainback tank comprising: a housing, the housing having a base and at least one side wall, the at least one side wall and the base forming an internal body for storing a fluid;a solar return pipe, at least a portion of the solar return pipe being located within the internal body of the drainback tank, the solar return pipe having a hole; andan output pipe, the output pipe being attached to and passing through the housing and into the internal body of the drainback tank, the output pipe having a hole located within the internal body of the drainback tank, the hole of the output pipe being aligned with and within a few inches of the hole of the solar return pipe,wherein a center axis of the hole of the solar return pipe is aligned with a center axis of the hole of the output pipe along a plane,wherein the fluid in the solar return input pipe flows into the output pipe and leaves the tank housing and flows into the heat exchanger, andwherein the hole in the solar return pipe is located below the fluid level in the tank and towards the bottom of the solar return pipe. 26. The solar heating system of claim 25, wherein the fluid of the drainback enters the heat exchanger and transfers heat to the fluid from the hot water storage tank.