Garvey, Smith & Nehrbass, Patent Attorneys, L.L.C.
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초록▼
A tank rack apparatus provides a liquid storage tank. The tank includes a tank vessel having a top wall, bottom wall, side walls, and tank corners at the interface of each pair of adjacent side wall, each side wall defining a wall plane. A tank alcove provides a recess that is spaced away from a tan
A tank rack apparatus provides a liquid storage tank. The tank includes a tank vessel having a top wall, bottom wall, side walls, and tank corners at the interface of each pair of adjacent side wall, each side wall defining a wall plane. A tank alcove provides a recess that is spaced away from a tank corner and inwardly from a tank wall plane. This inwardly spaced recess provides an alcove space having an alcove wall, an alcove top, and an alcove bottom. A sight glass gage is contained within the alcove space, below the alcove top and above the alcove bottom and inwardly of the tank wall plane. A screen occupies a position in or near the wall plane, the screen extending between a position next to alcove top and a position next to the alcove bottom.
대표청구항▼
1. A liquid storage tank comprising: a) a tank vessel having a top wall, bottom wall, a plurality of tank side walls that each define a side wall plane, and curved tank corners at the interface of each pair of adjacent side walls, each tank side wall defining a wall plane;b) one or more upper welds
1. A liquid storage tank comprising: a) a tank vessel having a top wall, bottom wall, a plurality of tank side walls that each define a side wall plane, and curved tank corners at the interface of each pair of adjacent side walls, each tank side wall defining a wall plane;b) one or more upper welds that join the tank top wall to the tank side walls;c) one or more lower welds that join the bottom wall to the side walls;d) one of the tank side walls having multiple panels including a larger panel and an alcove panel that includes multiple alcove side sections, an alcove rear section, and multiple alcove bends;e) the alcove providing a recess that is in between the larger panel and a said tank curved corner, said recess extending a majority of the distance between said top wall and said bottom wall, the recess being in between the alcove side sections and in front of the alcove rear;f) a first vertical weld that connects the alcove panel to a said curved corner and that extends to a said upper weld;g) a second vertical weld that connects the alcove panel to a said tank side wall larger panel;h) said recess extending inwardly of a said tank side wall plane;i) said alcove panel including an alcove top panel next to the top wall, and an alcove bottom panel spaced above the bottom wall;j) wherein the alcove top panel connects to the tank top at said upper weld;k) a sight glass gage contained within said recess below the alcove top panel, above the alcove bottom panel, inwardly of a said tank side wall plane, said gage extending a majority of the distance between the alcove top panel and the alcove bottom panel;l) wherein the sight glass includes a vertically extending portion that is spaced in front of said alcove rear section and in between said alcove side sections and extending a majority of the distance between the alcove top panel and the alcove bottom panel; andm) upper and lower fittings supporting the vertically extending portion, each fitting mounted to the alcove panel at vertically space apart positions. 2. The liquid storage tank of claim 1 further comprising a screen that occupies a said side wall plane, the screen positioned in front of the sight glass vertically extending portion and extending between a position next to the alcove top panel and a position next to the alcove bottom panel. 3. The liquid storage tank of claim 1 wherein the fittings are valves. 4. The liquid storage tank of claim 1 wherein the alcove panel has four bends. 5. The liquid storage tank of claim 1 wherein the recess is spaced below the top wall. 6. The liquid storage tank of claim 1 wherein the recess is spaced above the bottom wall. 7. The liquid storage tank of claim 3 wherein a said valve is next to and below an upper welded connection that joins the top wall to a side wall. 8. The liquid storage tank of claim 3 wherein a said valve is next to and above a lower welded connection that joins the bottom wall to a side wall. 9. The liquid storage tank of claim 1 further comprising lifting eyes that attach to the tank above the recess. 10. The liquid storage tank of claim 3 further comprising a screen that at least partially covers the vertical portion of the sight glass. 11. The liquid storage tank of claim 10 wherein one of the valves is an upper valve and the screen is spaced below said upper valve. 12. The liquid storage tank of claim 11 wherein the upper valve is below an upper welded connection that joins the top wall to a side wall. 13. The liquid storage tank of claim 10 wherein one of the valves is a lower valve above a lower welded connection that joins the bottom wall to a side wall. 14. A liquid storage tank comprising: a) a tank vessel having a top wall, bottom wall, a plurality of side walls each having a side wall plane, and curved tank corners at the interface of each pair of adjacent side walls, each side wall defining a wall plane;b) one of the tank side walls having a vertical centerline, multiple panels including a first larger panel and an alcove panel that is smaller than the first panel and that includes multiple bends;c) the alcove panel being a part of a tank alcove that is in between the larger panel and a said curved tank corner, said alcove panel being offset laterally from the vertical centerline and connected to a said curved tank corner with a vertical weld;d) said alcove extending inwardly of a said tank side wall plane;e) said alcove having an alcove top, an alcove bottom, an alcove rear wall and opposed alcove side walls;f) a sight glass gage contained in said alcove, below the alcove top, above the alcove bottom and inwardly of said tank wall plane, said gage extending a majority of the distance between the alcove top and the alcove bottom, said sight glass including a vertical portion that extends a majority of the distance between the tank top and bottom walls;g) upper and lower valves supporting the vertically extending portion, each valve mounted to the alcove panel; andh) wherein the tank top is welded to the tank side walls at an upper weld that extends to the said vertical weld, and wherein the alcove top attaches to the tank top wall at said upper weld. 15. The liquid storage tank of claim 14 further comprising a screen that occupies a said wall plane, the screen extending between a position next to the alcove top and a position next to the alcove bottom. 16. The liquid storage tank of claim 14 wherein the second panel has four bends. 17. The liquid storage tank of claim 14 wherein the alcove is spaced below the top wall. 18. The liquid storage tank of claim 14 wherein the alcove is spaced above the bottom wall.
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이 특허에 인용된 특허 (18)
Ness, Daniel W., Apparatus for storing and dispensing oil and gas well drilling fluids.
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