1461171771-dc1d6e13-edbf-48de-adb4-cfa1931c2dc6

1. A portable heat recovery system comprising:
a heater core;
a first pair of fluid coupling ends fluidly coupled to the heater core to circulate fluid therethrough and retain fluid therein when not connected to complementary ends; and
a cabling assembly including:
a pair of fluid lines having first and second ends;
a second pair of fluid coupling ends connected to the first ends of the pair of fluid lines and configured to form a quick disconnect fluid transfer coupling with the first pair of fluid coupling ends; and
a third pair of fluid coupling ends connected to the second ends of the pair of fluid lines and configured to form a quick disconnect fluid transfer coupling, wherein the second pair of coupling ends and the third pair coupling ends are configured to retain fluid in the lines when the second pair coupling ends and the third pair of coupling ends are disconnected from complement ends.
2. The portable heat recovery system of claim 1 and further comprising;
one or more fluid pumps fluidly connected to the heater core; and
a coupling assembly including:
a second pair of fluid lines configured to be connected to a source of heated fluid; and

a fourth pair of fluid coupling ends fluidly connected to the first pair of fluid lines and removably connected to the third pair of fluid coupling ends.
3. The portable heat recovery system of claim 2 wherein the coupling assembly further comprises a housing wherein the one or more fluid pumps are mounted in the housing.
4. The portable heat recovery system of claim 2 wherein the one or more fluid pumps are mounted in the enclosure.
5. The portable heat recovery system of claim 1 wherein the cabling assembly is flexible and includes and exterior sheath securing the second pair fluid lines and electrical conductors therein so as to be carried a single unit.
6. The portable heat recovery system of claim 5 wherein the cabling assembly comprises removably connectable segments, each segment having fluid lines and electrical conductors.
7. The portable heat recovery system of claim 1 and further comprising an enclosure, the heater core mounted in the enclosure.
8. The portable heat recovery system of claim 7 wherein the enclosure comprises a blanket.
9. The portable heat recovery system of claim 7 wherein the enclosure has apertures for airflow therethrough, a blower mounted in the enclosure and configured to blow air through the apertures and an electrical connector connected to the blower.
10. The portable heat recovery system of claim 9 and further comprising;
one or more fluid pumps fluidly connected to the heater core; and
a coupling assembly including:
a second pair of fluid lines configured to be connected to a source of heated fluid; and

a fourth pair of fluid coupling ends fluidly connected to the first pair of fluid lines and removably connected to the third pair of fluid coupling ends;
a second electrical connector configured to be connected to an electrical source of power, and the cabling assembly includes electrical conductors removably connectable to the electrical connector on the enclosure and removably connectable to the second electrical conductor.
11. The portable heat recovery system of claim 10 wherein the enclosure includes first switch connected to the blower and a second switch electrically connected to the one or more fluid pumps.
12. The portable heat recovery system of claim 11 wherein the one or more fluid pumps are remote from the enclosure and an electrical conductor is provided in the cabling assembly to electrically connect the second switch to the one or more fluid pumps.
13. The portable heat recovery system of claim 1 and further comprising a temperature sensor operably connected to the fluid flowing through the heater core and configured to provide an output indicative of temperature of the fluid.
14. The portable heat recovery system of claim 13 and further comprising a controller configured to receive the output from the temperature sensor and provide a second output configured to control fluid flow through the heater core.
15. The portable heat recovery system of claim 14 wherein the second output is operatively connected to the one or more fluid pumps.
16. The portable heat recovery system of claim 14 and further comprising one or more valves configured to inhibit fluid flow through the heater core, second output being operatively connected to the one or more valves.
17. The portable heat recovery system of claim 14 wherein the controller includes a third output configured to control an engine comprising the heated source.
18. The portable heat recovery system of claim 1 and further comprising a pressure sensor configured to provide an output indicative of pressure of the fluid in the system.
19. The portable heat recovery system of claim 18 and further comprising a controller configured to receive the output from the pressure sensor and provide a second output configured to control fluid flow through the system.
20. A method of recovering waste heat from an engine when the engine is not operating, the method comprising;
connecting a heater core to source of fluid heated due to operation of the engine with fluid lines, the flow of fluid from the source of heated fluid controlled by one or more pumps; and
operating the pumps when the engine is not operating to circulate the fluid from the source of heated fluid through the heater core.
21. The method of claim 20 wherein connecting the heater core comprises connecting the fluid lines to receive coolant fluid used to cool the engine during operation.
22. The method of claim 20 wherein connecting the heater core comprises connecting the heater to heat exchanger such that source of heater fluid is separate from coolant fluid used to cool the engine during operation.
23. The method of claim 20 and further comprising;
measuring a temperature of the fluid provided to or through the heater core; and
operating the engine to heat the source of heated fluid when the temperature of the fluid falls below a selected temperature turning the engine off when the source of heated fluid reaches a selected temperature.
24. The method of claim 23 wherein the engine is a vehicle engine.
25. A system for recovering waste heat, the system comprising
an engine;
a heater core connected to a source of fluid heated due to operation of the engine with fluid lines;
one or more pumps connected to the heater core to control fluid flow to the heater core; and
a control device connected to the one or more pumps and configured to operate the one or more pumps when the engine is not operating to circulate the fluid from the source of heated fluid through the heater core.
26. The system of claim 25 wherein the source of fluid comprises a coolant system of the engine.
27. The system of claim 26 and further comprising a temperature sensor operably connected to the fluid flowing through the heater core and configured to provide an output indicative of temperature of the fluid, the control device connected to the temperature sensor to receive the output, and wherein the control device is configured to provide an output configured to control operation of the engine based on the temperature of the fluid.
28. The system of claim 27 wherein the engine is on a vehicle.
29. The system of claim 25 and further comprising a cooling assembly operably coupled to the heater core to receive heat therefrom.

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 cylindrical grinding and polishing device, comprising:
a main body defining a cavity therein;
a polishing device received in the cavity, the polishing device comprising a plurality of polishing wheels positioned along a first direction;
a cylindrical grinding device received in the cavity, the cylindrical grinding device comprising a grinding wheel positioned at an end of the cavity along a second direction substantially perpendicular to the first direction; and
a support device received in the cavity, the support device comprising a support plate for supporting a work-piece, the support device capable of carrying the work-piece to contact the polishing wheels or the grinding wheel; and
a sliding rail received in the cavity, the slide rail being positioned on the bottom of the cavity and extending parallel to the first direction of the cavity,

wherein the support device comprises a drive unit and an elevation unit, the drive unit is slidably positioned on the slide rail, the elevation unit is capable of being driven by the drive unit to move toward or away from the polishing wheels, and the support plate is rotatably connected to an end of the elevation unit.
2. The cylindrical grinding and polishing device as claimed in claim 1, wherein the main body defines an opening communicating with the cavity for ingress and egress of the work-piece.
3. The cylindrical grinding and polishing device as claimed in claim 1, wherein the support plate defines a suction hole for sucking the work-piece.
4. The cylindrical grinding and polishing device as claimed in claim 3, wherein the elevation unit is a hollow threaded shaft, the suction hole is communicated to the elevation unit.
5. The cylindrical grinding and polishing device as claimed in claim 1, further comprising a first cleaning device positioned over the polishing device for jetting cleaning fluid to the work-piece during a polishing process.
6. The cylindrical grinding and polishing device as claimed in claim 1, further comprising a second cleaning device positioned adjacent to the cylindrical grinding device for jetting cleaning fluid to the work-piece during a cylindrical grinding process.
7. The cylindrical grinding and polishing device as claimed in claim 1, further comprising a drying device received in the cavity for drying the work-piece.
8. The cylindrical grinding and polishing device as claimed in claim 1, wherein each of the polishing wheels and the grinding wheel are emery wheels.
9. The cylindrical grinding and polishing device as claimed in claim 1, wherein each of the polishing wheels and the grinding wheel are barrel-shaped.
10. The cylindrical grinding and polishing device as claimed in claim 1, wherein the cavity is cuboid shaped.