What is claimed is:
1. An apparatus for internal climate control, comprising:
an air inlet;
a tangential fan;
a fan coil assembly;
a barrier to prevent re-circulation of air within the apparatus after the air passes over the fan coil assembly;
a joint to provide fluidic communication with a source of recirculating fluid; and
an air outlet, wherein
the coil assembly is a connected in series to the circuit through which the recirculating fluid circulates;
the coil assembly provides thermal communication between fluid flowing from a source of recirculating fluid and the circulating air; and
air is circulated from the inlet through the coil assembly to the outlet by the fan.
2. The apparatus of claim 1, wherein the apparatus comprises a plurality of tangential fans.
3. The apparatus of claim 2, wherein the plurality of fans are oriented vertically and disposed one over the other.
4. The apparatus of claim 2, wherein the apparatus comprises two, three, or four fans.
5. The apparatus of claim 1, wherein the fan is oriented vertically.
6. The apparatus of claim 1, wherein the fan coil assembly provides thermal communication between fluid returning to the source of recirculating fluid and the circulating air.
7. The apparatus of claim 1 wherein the fan coil assembly comprises a plurality of pipes and first and second manifolds at each end of the fan coil assembly to which the pipes are connected.
8. The apparatus of claim 7, wherein the coil assembly comprises six pipes.
9. The apparatus of claim 8, wherein the fan coil assembly comprises first and second sets of six pipes, wherein the first set of pipes is connected to first and second, wherein the second set of pipes is connected to third, fourth manifolds, and wherein the first and third manifolds are at a first end of the fan coil assembly and the second and fourth pipes are at a second end of the fan coil assembly.
10. The apparatus of claim 1, wherein the joint comprises a pipe connector in fluidic communication with the coil assembly.
11. The apparatus of claim 1, wherein the fan coil assembly comprises a plurality of pipes in fluidic communication with the source of recirculating fluid and a plurality of fins in thermal communication with the plurality of pipes.
12. The apparatus of claim 11, wherein the fins are arranged parallel to one another with a density of about 12 fins per inch.
13. The apparatus of claim 11, wherein the fins comprise condensate drip lips.
14. The apparatus of claim 1, wherein the air inlet has a smaller surface area than the air outlet.
15. The apparatus of claim 1, further comprising a baffle disposed along an air flow path between the fan coil assembly and the outlet.
16. The apparatus of claim 1, wherein the apparatus is configured to fit between two adjacent studs within a wall of a room.
17. The apparatus of claim 16, wherein the apparatus is at most 9.2 cm deep and 35 cm wide.
18. The apparatus of claim 16, wherein the apparatus is about 86.4, 130, or 173 cm tall.
19. The apparatus of claim 18, wherein the apparatus is about 86.4 cm tall and comprises two fans.
20. The apparatus of claim 18, wherein the apparatus is about 130 cm tall and comprises three fans.
21. The apparatus of claim 18, wherein the apparatus is about 173 cm tall and comprises four fans.
22. The apparatus of claim 1, further comprising an adjustable thermostatic control.
23. The apparatus of claim 1, further comprising an adjustable speed control that allows the fan can be operated at a plurality of speeds.
24. The apparatus of claim 1, wherein the source of recirculating water comprises a heat exchanger in thermal communication with the recirculating water.
25. A method of adjusting air temperature, comprising:
employing a tangential fan to direct air over a fan coil assembly;
directing fluid through the fan coil assembly; and
adjusting the temperature of the fluid to cool or heat the air, wherein
the fan coil assembly provides thermal communication between the air and the fluid.
26. The method of claim 25, further comprising recirculating the fluid.
27. The method of claim 26, further comprising passing the fluid through a heat exchanger to heat or cool the fluid.
28. The method of claim 25, further comprising drawing the air from a first generally enclosed space.
29. The method of claim 28, further comprising directing the air into a second generally enclosed space.
30. The method of claim 25, further comprising directing the air into a generally enclosed space.
31. The method of claim 30, further comprising controlling the air temperature of the generally enclosed space thermostatically, wherein the step of controlling comprises causing the fan to go on and off in response to a preset change in air temperature.
32. The method of claim 25, further comprising adjusting the speed of the fan.
33. The method of claim 25, further comprising disposing the fan and the fan coil within a space defined by two adjacent studs in a wall.
34. The method of claim 25, further comprising employing a plurality of fans.
35. The method of claim 25, wherein the fan is oriented vertically.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. Multi-channel sampling-pipe, wherein:
the sampling-pipe is suitable for use in conveying samples of water from a borehole in the ground to the surface;
the sampling-pipe is of plastic material, and is an extrusion having a constant cross-sectional profile along its length;
the extruded profile includes N channels, defined by walls of the plastic material;
in the extruded profile, each one of the N channels is totally circumscribed by the walls of plastic material, whereby the N channels are separated and isolated from each other;
each one of the N channels is not circular, but is an M-sided polygon, having M sides that meet at M corners;
each one of the M corners defines a corner-angle that is ninety degrees or greater.
2. Sampling-pipe of claim 1, wherein, in respect of each one of the N channels, the M-sided polygon is a regular polygon, the M sides being all the same length and the M corners being all the same corner-angle.
3. Sampling-pipe of claim 1, wherein the N channels are identical to each other.
4. Sampling-pipe of claim 1, wherein the extruded profile of the sampling-pipe has an outside form, which is at least approximately circular.
5. Sampling-pipe of claim 4, wherein the N channels are pitched equally within the circular outside form of the extruded profile.
6. Sampling-pipe of claim 1, wherein the number N is three or four.
7. Sampling-pipe of claim 1, wherein the number M is four, five, six, seven, or eight.
8. Sampling-pipe of claim 1, wherein, within the extruded profile:
the profile includes N thick-walls of the plastic material, the thick-walls being contiguous with the outside form;
the thick-walls are each of a relatively thick and chunky configuration, to the extent that each thick-wall is inherently sturdy and rigid;
the thick-walls are joined at their ends by N bridge-walls of the plastic material;
the bridge-walls are each of a relatively thin and flexible configuration.
9. Sampling-pipe of claim 8, wherein the number N is three.
10. Sampling-pipe of claim 9, wherein the profile is triangulated, and is thereby inherently rigid, and is resistant to buckling and collapse.
11. Sampling-pipe of claim 9, wherein the number M is six.
12. Sampling-pipe of claim 8, wherein the profile also includes thin-walls of the plastic material, the thin-walls being arranged as radial spokes.
13. Sampling-pipe of claim 1, wherein:
the extruded profile of the sampling-pipe has an outside form, which is at least approximately circular;
the N channels are identical to each other, and are equi-pitched within the circular outside form of the extruded profile; and
each M-sided polygon is regular, the M sides being all the same length and the M corners being all the same corner-angle.
14. Sampling-pipe of claim 13, wherein:
the outside form has an overall-centre OC;
each polygon has a respective polygon-centre CP; and
in respect of each polygon, a radius from the overall-centre OC, and passing though the polygon-centre CP, also passes through, or nearly through, a radially-outermost one of the M corners of the polygon.
16. Sampling-pipe of claim 11, the channels being three regular, equi-pitched hexagons, wherein the extruded profile includes three triangular apertures, located between the hexagons, and spaced therefrom by respective thin walls.
17. Sampling-pipe of claim 1, wherein:
the sampling-pipe lies inserted in a borehole in the ground, and the borehole contains a level of a liquid; and
the sampling-pipe includes a sampling-port located at a depth below the level of the liquid, at which a hole through the outside form of the sampling-pipe admit liquid from the borehole into a respective one of the channels.
18. Sampling-pipe of claim 17, wherein the sampling-pipe includes N sampling-ports, at N different depths, in which respective holes through the outside form admit liquid from the borehole into respective ones of the channels.
19. Sampling-pipe of claim 18, wherein the channels include respective below-plugs, located in the channels, below the respective sampling-ports.
20. Sampling-pipe of claim 4, wherein the outside form has a diameter of less than 1.8 inches.
21. Sampling-pipe of claim 20, wherein the outside form has a diameter of less than 1.1 inches.
22. Sampling-pipe of claim 4, wherein the outside form has a diameter of more than one inch.