1. A rotatable payload support turret for operation in a potentially hazardous environment, the support turret comprising a fixed element and a rotatable element, supported by the fixed element, for rotation with respect thereto, comprising:
an annular rotary seal attached to the fixed element in an annular clearance gap formed between said fixed element and said rotatable element, said annular rotary seal comprising a magnetic circuit formed to capture a magnetic fluid in the annular clearance gap thereby sealing the clearance gap with a gas tight seal; and,
an annular wiper seal assembly positioned in said annular clearance gap between said potentially hazardous environment and said annular rotary seal for sealing the clearance gap to prevent elements of said potentially hazardous environment from contaminating said magnetic fluid, the annular wiper seal comprising; an annular flexible member attached to the rotatable element for rotation therewith, and an annular sealing surface attached to said fixed element, said annular flexible member being forced into contact with said annular sealing surface during rotation of said rotatable element.
2. The rotatable payload support turret of claim 1 wherein each of said fixed element and said rotatable element are configured with opposing surfaces for forming said clearance gap there between, and further wherein said opposing surfaces are configured to form a labyrinth seal comprising at least one leg of the clearance gap formed to resist infiltration of said potentially harmful elements.
3. The rotatable payload support turret of claim 2 wherein said opposing surfaces are configured to form the labyrinth seal with three legs of the clearance gap formed to resist infiltration of said potentially harmful elements.
4. The rotatable payload support turret of claim 1 wherein the clearance gap includes an annular outer opening formed between opposing surfaces of the fixed element and the rotatable element and further wherein said fixed element is configured with a surface sloping downwardly toward said annular opening for draining potentially hazardous elements from the clearance gap.
5. The rotatable payload support turret of claim 1 wherein the clearance gap includes an annular outer opening formed between opposing surfaces of the fixed element and the rotatable element and further wherein said fixed element is configured with an annular fluid repelling feature positioned adjacent to said annular opening for repelling an incoming fluid stream away from the annular outer opening.
6. The rotatable payload support turret of claim 5 wherein the fluid repelling feature comprises an annular recess formed by opposing surfaces of the fixed element, the annular recess having an radially outward facing open end and a radially inward facing closed end, said inward facing closed end being formed by a radius between the opposing surfaces, and wherein the outward facing open end is positioned adjacent to said clearance gap annular outer opening.
7. The rotatable payload support turret of claim 1 wherein said fixed element comprises an azimuth housing having an internal cavity formed therein and wherein said rotatable element comprises a yoke for supporting the payload for rotation about an elevation axis, said yoke including a shaft extending from a bottom end thereof for mating with rotary bearings installed in the azimuth housing further comprising:
a cascade hood attached to the yoke and rotatable therewith, the cascade hood including an annular cover portion extending radially outward from the shaft and overhanging upward facing surfaces of the azimuth housing for protecting an annular clearance gap formed between the azimuth housing and the cascade hood from downwardly directed elements of the potentially hazardous environment.
8. The rotatable payload support turret of claim 7 wherein the cascade hood further comprises a first annular lip extending substantially vertically downward from a radially distal end of the annular cover portion to oppose a circumferential surface of the azimuth housing thereby forming an annular opening of the annular clearance gap.
9. The rotatable payload support turret of claim 8 wherein the cascade hood further comprises a second annular lip positioned radially inward from the first annular lip, said second annular lip having surfaces opposed to a substantially vertical surface of the azimuth housing for forming a leg of the clearance gap that is formed to resist infiltration of said potentially harmful elements.
10. The rotatable payload support turret of claim 9 wherein the azimuth housing includes a substantially upwardly extending third annular lip positioned radially between the first annular lip and the second annular lip, said third annular lip including a plurality of surfaces formed opposed to surfaces of an underside of the annular cover portion and to surfaces of said first annular lip and said second annular lip for defining the shape and dimension of the clearance gap and particularly for forming two additional legs of the clearance gap that are formed to resist infiltration of said potentially harmful elements.
11. The rotatable payload support turret of claim 9 wherein the third annular lip is formed with a plurality of drain openings passing therethrough for draining portions of the clearance gap that are radially inward of said third annular lip.
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 lamellar stacked solid electrolytic capacitor, comprising:
a plurality of capacitor units, wherein each capacitor unit is composed of a negative foil, an isolation paper with conductive polymer substance, a positive foil, an isolation paper with conductive polymer substance and a negative foil that are stacked onto each other in sequence, the positive foils of the capacitor units are electrically connected to each other, the negative foils of the capacitor units are electrically connected to each other, and the positive foils and the negative foils are insulated from each other;
a substrate unit having a positive guiding substrate electrically connected to the positive foils of the capacitor units and a negative guiding substrate electrically connected to the negative foils of the capacitor units; and
a package unit covering the capacitor units and one part of the substrate unit.
2. The lamellar stacked solid electrolytic capacitor according to claim 1, wherein every two capacitor units are electrically stacked onto each other by silver glue or silver paste.
3. The lamellar stacked solid electrolytic capacitor according to claim 1, wherein each positive foil has a resin body selectively installed on an edge thereof, and each negative foil has a resin body selectively installed on an edge thereof
4. The lamellar stacked solid electrolytic capacitor according to claim 1, wherein the two isolation paper of each capacitor unit are integrated to form a U-shaped isolation paper in order to cover one part of the positive foils of each capacitor unit, and the two negative foils of each capacitor unit are integrated to form a U-shaped negative foil in order to cover the U-shaped isolation paper of each capacitor unit.
5. The lamellar stacked solid electrolytic capacitor according to claim 1, further comprising: a plurality of conductive layers, wherein each conductive layer is electrically connected between the two negative foils of each capacitor unit, and the lengths of two same ends of two negative foils of each capacitor unit are larger than the length of one end of the positive foil of each capacitor unit in order to prevent the positive foils touching the conductive layers.
6. The lamellar stacked solid electrolytic capacitor according to claim 1, wherein each capacitor unit has a plurality of insulating layers, and each insulating layer is disposed around one part of an external surface of each positive foil in order to limit the lengths of the negative foils and the isolation paper.
7. The lamellar stacked solid electrolytic capacitor according to claim 1, wherein the positive foil of each capacitor unit has a positive pin extended outwards therefrom, the positive pins of the capacitor units are divided into a plurality of positive pin units that are separated from each other, and the positive pins of each positive pin unit are electrically stacked onto each other, wherein the negative foil of each capacitor unit has a negative pin extended outwards therefrom, the negative pins of the capacitor units are divided into a plurality of negative pin units, the negative pin units are separated from each other, and the negative pins of each negative pin unit are electrically stacked onto each other, wherein the positive pins are selectively respectively extended outwards from the positive foils along the same direction or different directions, and the negative pins are selectively respectively extended outwards from the negative foils along the same direction or different directions.
8. The lamellar stacked solid electrolytic capacitor according to claim 1, wherein the positive foil of each capacitor unit has a positive pin extended outwards therefrom, the positive pins of the capacitor units are divided into a plurality of positive pin units that are separated from each other, and the positive pins of each positive pin unit are electrically stacked onto each other, wherein the negative foil of each capacitor unit has a negative pin extended outwards therefrom, the negative pins of the capacitor units are combined to form a negative pin unit, and the negative pins are electrically stacked onto each other, wherein the positive pins are selectively respectively extended outwards from the positive foils along the same direction or different directions, and the negative pins are respectively extended outwards from the negative foils along the same direction.
9. The lamellar stacked solid electrolytic capacitor according to claim 1, wherein the positive foil of each capacitor unit has a positive pin extended outwards therefrom, the positive pins of the capacitor units are combined to form a positive pin unit, and the positive pins are electrically stacked onto each other, wherein the negative foil of each capacitor unit has a negative pin extended outwards therefrom, the negative pins of the capacitor units are divided into a plurality of negative pin units that are separated from each other, and the negative pins of each negative pin unit are electrically stacked onto each other, wherein the positive pins are respectively extended outwards from the positive foils along the same direction, and the negative pins are selectively respectively extended outwards from the negative foils along the same direction or different directions.
10. The lamellar stacked solid electrolytic capacitor according to claim 1, further comprising: a plurality of assistance conductive blocks, wherein each assistance conductive block is electrically disposed between the two positive foils of every two capacitor units and extended outwards, and the assistance conductive blocks are electrically connected to the positive guiding substrate by soldering.
11. A lamellar stacked solid electrolytic capacitor, comprising:
a capacitor unit composed of a plurality of negative foils, a plurality of isolation paper with conductive polymer substance and a plurality of positive foils that are alternatively stacked onto each other, wherein each isolation paper is disposed between each positive foil and each negative foil, the positive foils are electrically connected to each other, the negative foils are electrically connected to each other, and the positive foils and the negative foils are insulated from each other;
a substrate unit having a positive guiding substrate electrically connected to the positive foils of the capacitor unit and a negative guiding substrate electrically connected to the negative foils of the capacitor unit; and
a package unit covering the capacitor units and one part of the substrate unit.
12. The lamellar stacked solid electrolytic capacitor according to claim 11, wherein each positive foil has a resin body selectively installed on an edge thereof, and each negative foil has a resin body selectively installed on an edge thereof.
13. The lamellar stacked solid electrolytic capacitor according to claim 11 further comprising: a conductive layer electrically connected one end of the negative foils, and the length of the end of each negative foil is larger than the length of one end of each positive foil in order to prevent the positive foils touching the conductive layer.
14. The lamellar stacked solid electrolytic capacitor according to claim 11, wherein each capacitor unit has a plurality of insulating layers, and each insulating layer is disposed around one part of an external surface of each positive foil in order to limit the lengths of the negative foils and the isolation paper.
15. The lamellar stacked solid electrolytic capacitor according to claim 11, wherein the positive foil of the capacitor unit has a positive pin extended outwards therefrom, the positive pins of the capacitor units are divided into a plurality of positive pin units that are separated from each other, and the positive pins of each positive pin unit are electrically stacked onto each other, wherein the negative foil of the capacitor unit has a negative pin extended outwards therefrom, the negative pins of the capacitor units are divided into a plurality of negative pin units, the negative pin units are separated from each other, and the negative pins of each negative pin unit are electrically stacked onto each other, wherein the positive pins are selectively respectively extended outwards from the positive foils along the same direction or different directions, and the negative pins are selectively respectively extended outwards from the negative foils along the same direction or different directions.
16. The lamellar stacked solid electrolytic capacitor according to claim 11, wherein the positive foil of the capacitor unit has a positive pin extended outwards therefrom, the positive pins of the capacitor units are divided into a plurality of positive pin units that are separated from each other, and the positive pins of each positive pin unit are electrically stacked onto each other, wherein the negative foil of the capacitor unit has a negative pin extended outwards therefrom, the negative pins of the capacitor units are combined to form a negative pin unit, and the negative pins are electrically stacked onto each other, wherein the positive pins are selectively respectively extended outwards from the positive foils along the same direction or different directions, and the negative pins are respectively extended outwards from the negative foils along the same direction.
17. The lamellar stacked solid electrolytic capacitor according to claim 11, wherein the positive foil of the capacitor unit has a positive pin extended outwards therefrom, the positive pins of the capacitor units are combined to form a positive pin unit, and the positive pins are electrically stacked onto each other, wherein the negative foil of the capacitor unit has a negative pin extended outwards therefrom, the negative pins of the capacitor units are divided into a plurality of negative pin units that are separated from each other, and the negative pins of each negative pin unit are electrically stacked onto each other, wherein the positive pins are respectively extended outwards from the positive foils along the same direction, and the negative pins are selectively respectively extended outwards from the negative foils along the same direction or different directions.