1. A dishwasher, comprising:
a washtub;
a sump that collects water sprayed into the washtub;
a supply passage that supplies the water in the sump to the washtub;
a wash pump that pumps the water in the sump to the washtub through the supply passage;
a drain pump that pumps the water in the sump out of the dishwasher;
a drain passage that guides the water in the sump for discharge from the dishwasher, the drain passage having one end connected to the sump and the other end connected to the drain pump; and
a disposer that grinds garbage, wherein the disposer is provided in the drain passage between the one end of the drain passage connected to the sump and the other end of the drain passage connected to the drain pump, wherein one end of the supply passage is connected to a lower part of the sump, and wherein the disposer and the supply passage are disposed out of the sump.
2. The dishwasher of claim 1, wherein the disposer is provided at a location lower than the supply passage.
3. The dishwasher of claim 1, further comprising:
a garbage chamber that collects the garbage in the water pumped by the wash pump.
4. The dishwasher of claim 3, wherein an exit of the garbage chamber is configured to communicate with the drain passage.
5. The dishwasher of claim 3, further comprising:
a coarse filter that prevents large particles of the garbage from being introduced into the supply passage.
6. The dishwasher of claim 5, wherein the coarse filter is configured to have an open bottom.
7. The dishwasher of claim 6, further comprising:
a fine filter, adjacent the coarse filter, that filters fine particles of the garbage.
8. The dishwasher of claim 1, wherein the disposer is driven by a motor that drives the wash pump.
9. The dishwasher of claim 1, wherein the disposer is driven by a motor that drives the drain pump.
10. The dishwasher of one of claim 9, wherein the motor comprises a dual-shaft motor.
11. The dishwasher of claim 1, wherein the supply passage comprises a damping member.
12. The dishwasher of claim 1, wherein the drain passage comprises a damping member.
13. A dishwasher, comprising:
a sump that collects water from a washtub;
a filter assembly coupled to the sump; and
a drain passage that receives water from the filter assembly, wherein the filter assembly includes a middle filter that filters particles of a first size and a coarse filter that filters particles of a second size larger than the first size, wherein the coarse filter is provided under the middle filter and is detachably assembled to the middle filter, wherein the filter assembly is provided between an inlet of the sump and a supply passage that carries the water collected in the sump to the washtub, and wherein the middle filter has a hollow dish shape and the coarse filter has a cylindrical shape.
14. The dishwasher of claim 1, wherein the supply passage is disposed out of the sump.
15. The dishwasher of claim 14, wherein the wash pump is provided at the supply passage, and wherein the wash pump is disposed out of the sump.
16. The dishwasher of claim 13, further comprising a fine filter provided outside the coarse filter that filters fine particles smaller than the first size.
17. The dishwasher of claim 13, wherein the coarse filter is configured to have an open bottom.
18. The dishwasher of claim 17, wherein the drain passage is coupled to the bottom of the coarse filter.
19. The dishwasher of claim 13, wherein the middle filter and the coarse filter each includes a plurality of perforated holes, and wherein a size of the plurality of perforated holes of the middle filter is smaller than a size of the plurality of holes of the coarse filter.
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. A solar power collection system wherein sun light is converted to electrical energy comprising:
a concentrator having at least one mirror, wherein said mirror focuses the sun light to a focus line;
a heat conducting shoe;
an absorber having a tube fixed to and spaced apart from said mirror to extend substantially a length of said mirror in thermal communication with said shoe, wherein said tube is fixedly connected to said concentrator and positioned along said focus line to absorb solar energy reflected by said concentrator, said tube conducting heat produced by said solar energy to said shoe;
a converter having an engine that converts heat energy to electrical energy, and wherein said shoe is disposed in longitudinal alignment with said tube and conductively couples said tube to said converter;
a pointing system that aligns the concentrator in facing relationship to the sun light; and
wherein said converter rotates in elevation with said mirror.
2. The system of claim 1, wherein said at least one mirror comprises a parabolic-trough-shaped mirror that focuses said sunlight to a longitudinal focus line.
3. The system of claim 1, wherein said tube and said shoe are constructed of a thermally conductive material or heat pipe.
4. The system of claim 3, wherein said conductive material comprises nickel.
5. The system of claim 3, wherein said tube and said shoe are constructed of one of copper and graphite.
6. The system of claim 1, wherein said tube comprises a heat pipe.
7. The system of claim 1, wherein said shoe comprises a heat pipe.
8. The system of claim 1, wherein said tube comprises a glass jacket enclosing a metallic element within a vacuum to prevent convective heat loss.
9. The system of claim 1, wherein said engine comprises a Stirling engine.
10. The system of claim 9, wherein said Stirling engine comprises a free-piston Stirling engine.
11. The system of claim 1, wherein said pointing system comprises a single-axis pointing system adapted to track the sun through the horizon during the day.
12. A solar power collection system for converting solar energy from the sun into electrical energy, comprising:
a concentrator having a plurality of parabolic trough-shaped mirrors, wherein said mirrors focus reflected light to a focus line above a common vertex of said mirrors;
at least one heat conducting shoe;
an absorber having a plurality of tubes that are conductively coupled to said at least one shoe, wherein said tubes are fixedly connected to said mirrors, spaced apart from said mirrors to extend substantially a length of said mirrors, said tubes being coaxially aligned with said focus line to thereby receive solar energy focused on said focus line, said tubes absorbing the solar energy and producing heat, said heat being conducted to said at least one shoe, wherein said at least one shoe is disposed in longitudinal alignment with said tube;
a converter conductively coupled to said at least one shoe and having at least one Stirling engine that converts said heat to electrical energy;
a pointing system that aligns the concentrator to the sun, said pointing system including a single-axis system adapted to rotate said concentrator about an axis to track the sun across the horizon during the day; and
wherein said converter rotates in elevation with said mirrors and said converter is disposed between said mirrors.
13. The system of claim 12, wherein said plurality of tubes and said plurality of shoes are constructed of a conductive material.
14. The system of claim 13, wherein said plurality of tubes and said plurality of shoes are comprised of nickel.
15. The system of claim 13, wherein said plurality of tubes and said plurality of shoes comprise one of copper and graphite.
16. The system of claim 12, wherein said plurality of tubes comprise heat pipes.
17. The system of claim 12, wherein said plurality of shoes comprise heat pipes.
18. The system of claim 12, wherein said plurality of tubes each comprise a glass vacuum jacket adapted to prevent convective heat loss.
19. The system of claim 12, wherein said plurality of Stirling engines comprise free-piston Stirling engines.
20. A method for collecting and converting solar power energy from sun light into electrical energy comprising:
using at least one parabolic trough-shaped mirror to collect solar energy;
providing at least one thermally conductive tube fixedly attached to and spaced apart from said mirror to extend substantially a length of said mirror and a thermally conductive tube shoe to absorb and conduct heat energy produced by said solar energy reflected by said mirror;
providing at least one converter to convert said heat energy to electrical energy, said at least one converter disposed adjacent to said mirror;
aligning said mirror with the sun light;
using said mirror to focus the sun light reflected from said mirror along a longitudinally extending focus line;
placing said tube in said focus line to absorb said reflected sun light, wherein said tube absorbs heat from said reflected sun light;
placing said shoe in said focus line;
transmitting said heat absorbed by said tube though said shoe to said converter;
using said converter to convert said heat into said electrical energy; and
rotating said converter in elevation with said mirror.