1. A leadthrough element for a waterproof leadthrough of a first line, the leadthrough element comprising:
a top and a bottom; and
a first recess extending from the bottom to the top and configured to lead the first line through the leadthrough element,
wherein the leadthrough element is configured such that the first line exits from the top of the leadthrough element in such a way that after exiting, the first line runs flat along the top of the leadthrough element,
wherein the top of the leadthrough element has a groove-shaped indentation located so that the indentation receives the first line immediately after the exit of the first line from the first recess and directs the first line along the top of the leadthrough element.
2. The leadthrough element of claim 1,
wherein the leadthrough element is configured to cause the first line to exit in a first direction from the leadthrough element, and the leadthrough element is configured to cause a second line to exit in a second direction from the leadthrough element, wherein the first direction is opposite to the second direction.
3. The leadthrough element of claim 1,
wherein the first line is comprised of electrical cables, and each cable includes at least one conductor; and
the leadthrough element comprises at least one additional first recess, the first recess and the additional first recess each configured to provide a seat for each of the electrical cables and to provide waterproofness or airtightness of the leadthrough when the electrical cables are subjected to mechanical loads.
4. The leadthrough element of claim 1,
wherein the first recess is configured for leading through a single line.
5. The leadthrough element of claim 1,
wherein the leadthrough element comprises a first and a second component operative to be compressed during installation of the leadthrough element,
the first component comprises a first part of the first recess for leading through the first line,
the second component comprises a second part of the first recess, and
the first and the second parts of the first recess are dimensionally smaller than the first line so that when the first and second components are compressed during installation of the leadthrough element, pressure is exerted onto the first line sufficient to close off the first line so as to provide a tight seal against contact areas of the first recess.
6. The leadthrough element of claim 5,
wherein the first component comprises a plurality of the first recesses, and
the second component comprises projections configured to be received during installation of the leadthrough element in the plurality of the first recesses of the first component so as to prevent slipping of the first and second components in relation to each other.
7. The leadthrough element of claim 1,
wherein the first recess has a contact area, and
the contact area of the first recess comprises an adhesive operative to provide a tight seal of the first line in the first recess.
8. The leadthrough element of claim 1,
wherein the leadthrough element is configured for placement in an opening in a dividing wall, and
wherein outside edges of the leadthrough element form second recesses in the form of grooves in the leadthrough element, such that the second recesses are configured to receive portions of the dividing wall to provide a tight seal.
9. The leadthrough element of claim 1,
wherein the leadthrough element is at least partly made from plastic or metal.
10. The leadthrough element of claim 9,
wherein the plastic is selected from the group consisting of polyamide, silicon, olefin copolymers (EPDM), hard rubber, soft rubber, polyvinyl chloride (PVC) and polypropylene (PP).
11. The leadthrough element of claim 1,
wherein the leadthrough element is configured for installation in a floor of an aircraft and for leading through electrical lines in an aircraft.
12. The leadthrough element of claim 1,
wherein the leadthrough element is designed for installation in a floor of an AIRBUS A380 aircraft and for leading through In Flight Entertainment electrical lines for In Flight Entertainment control devices.
13. The leadthrough element of claim 1,
wherein the first recess has a bent shape configured to provide for the exit of the first line at less than 90 degrees with respect to the top of the leadthrough element.
14. The leadthrough element of claim 1,
wherein the groove-shaped indentation is configured to receive at least most of a depth of the first line.
15. In a combination, the leadthrough element of claim 1 and the first line led through the first recess and out the top of the leadthrough element, the leadthrough element and the first line cooperating such that after exit of the first line, the first line runs flat along the top of the leadthrough element.
16. A leadthrough element for a waterproof leadthrough of a first line, the leadthrough element comprising:
a top and a bottom; and
a first recess extending from the bottom to the top and configured to lead the first line through the leadthrough element;
the leadthrough element is configured such that the first line exits from the top of the leadthrough element in such a way that after exiting, the first line runs flat along the top of the leadthrough element; and
the leadthrough element is further configured to cause the first line to exit in a first direction from the leadthrough element, and the leadthrough element is configured to cause a second line to exit in a second direction from the leadthrough element, wherein the first direction is opposite to the second direction.
17. A leadthrough element for a waterproof leadthrough of a first line, the leadthrough element comprising:
a top and a bottom; and
a first recess extending from the bottom to the top and configured to lead the first line through the leadthrough element, wherein the first line comprises electrical cables, each cable including at least one conductor; and
at least one additional first recess, the first recess and the additional first recess each configured to provide a seat for each of the electrical cables and to provide waterproofness or airtightness of the leadthrough when the electrical cables are subjected to mechanical loads,
the leadthrough element configured such that the first line exits from the top of the leadthrough element in such a way that after exiting, the first line runs flat along the top of the leadthrough element.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A method of insulating an electric motor stator for a pump with resin, the method comprising:
providing a resin fixture comprising a tube comprising longitudinally spaced holes, a first plug at a first end, a second plug at a second end, the second plug including a valve, and a rubber cover over the tube;
placing the resin fixture inside the stator’s bore;
placing a first end plug at a first end of the stator and a second end plug at a second end of the stator;
placing an outer cover around the stator and between the end plugs;
placing a first inner spacer ring at the first end of the stator and a second inner spacer ring at the second end of the stator, the inner spacer rings being placed between lead wires of the stator and the resin fixture adjacent the first and second end plugs;
placing a first outer spacer ring at the first end of the stator and a second outer spacer ring at the second end of the stator, the outer spacer rings being placed between lead wires of the stator and the outer cover adjacent the first and second end plugs;
inflating the rubber cover through the valve; and
providing resin into the outer cover.
2. A method in accordance with claim 1 wherein the outer cover comprises plastic tape wrapped around the stator between the end plugs.
3. A method in accordance with claim 1 wherein the outer cover comprises a mold that comprises a rigid material between the end plugs.
4. A method in accordance with claim 1 wherein the tube comprises metal.
5. A method in accordance with claim 1 wherein the resin is moved over the stator via a vacuum pump coupled to a hole defined in one of the outer spacer rings.
6. A method in accordance with claim 1 wherein the resin is moved over the stator via a pressure pump coupled to a hole defined in one of the outer spacer rings.
7. A method in accordance with claim 1 further comprising coupling the end plugs with support bolts.
8. A resin fixture for insulating an electric motor stator with resin, the resin fixture comprising:
a tube comprising longitudinally spaced holes;
a first plug at a first end of the tube;
a second plug at a second end of the tube, the second plug including a valve; and
a rubber cover over the tube.
9. A resin fixture in accordance with claim 8 wherein the valve is Schrader valve.
10. A resin fixture in accordance with claim 8 further comprising Teflon over the rubber cover.
11. A resin fixture in accordance with claim 8 wherein the rubber cover is coupled to the tube with cement.
12. A resin fixture in accordance with claim 8 wherein the tube comprises metal.
13. A system for insulating an electric motor stator for a pump with resin, the system comprising:
a resin fixture for placement with the stator’s bore, the resin fixture comprising:
a tube comprising longitudinally spaced holes;
a first plug at a first end of the tube;
a second plug at a second end of the tube, the second plug including a valve; and
a rubber cover over the tube;
a first end plug at a first end of the stator and a second end plug at a second end of the stator;
an outer cover around the stator and between the end plugs;
a first inner spacer ring at the first end of the stator and a second inner spacer ring at the second end of the stator, the inner spacer rings being placed between lead wires of the stator and the resin fixture adjacent the first and second end plugs; and
a first outer spacer ring at the first end of the stator and a second outer spacer ring at the second end of the stator, the outer spacer rings being placed between lead wires of the stator and the outer cover adjacent the first and second end plugs.
14. A system in accordance with claim 13 wherein the outer cover comprises plastic tape wrapped around the stator between the end plugs.
15. A system in accordance with claim 13 wherein the outer cover comprises a mold that comprises a rigid material between the end plugs.
16. A system in accordance with claim 13 wherein the tube comprises metal.
17. A system in accordance with claim 13 wherein resin is moved over the stator via a vacuum pump coupled to a hole defined in one of the outer spacer rings.
18. A system in accordance with claim 13 wherein resin is moved over the stator via a pressure pump coupled to a hole defined in one of the outer spacer rings.
19. A system in accordance with claim 13 further comprising support bolts that couple the end plugs to each other.