US2732985A - Electrolyte - Google Patents
Electrolyte Download PDFInfo
- Publication number
- US2732985A US2732985A US2732985DA US2732985A US 2732985 A US2732985 A US 2732985A US 2732985D A US2732985D A US 2732985DA US 2732985 A US2732985 A US 2732985A
- Authority
- US
- United States
- Prior art keywords
- fluid
- chambers
- chamber
- electrolyte
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003792 electrolyte Substances 0.000 title description 20
- 239000012530 fluid Substances 0.000 description 62
- 238000007654 immersion Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 231100000078 corrosive Toxicity 0.000 description 2
- 231100001010 corrosive Toxicity 0.000 description 2
- 230000001808 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Description
Jan. 31, 1956 P. HOWARD ELECTROLYTE FILLING DEVICE AND METHOD FOR RESERVE TYPE PRIMARY BATTERIES Filed Dec. l5, 1955 1 R O a m 8 2 2 M w WI V n mwu AP W J I 1 M MMB l wwww wm mum s5E225555225555 2 ri ii i. 1m B 0 ll lfllw flwl mE5552E======================= 3 H PAUL L. HOWARD MA/F ATTORNEYS ELECTROLYTE FILLING DEVICE AND METHOD FOR RESERVE PRIMARY BATTERIES Paul L. Howard, Ridgewood, N. J., assignor to the United States of America as represented. by the Secretary of the Navy Application December 15, 1953, Serial No. 398,451 6 Claims. (Cl. 226-19 (Granted under Title 35, U. S. Code (1952), see. 266) This invention relates to an electrolyte filling device and method for reserve type primary batteries.
In the prior art methods of filling the cells of a primary battery, it was necessary to carefully measure out the correct amount of the electrolyte required, and individually fill each cell. For mass production procedures, .this
proved costly in time and labor.
. used in the cells of a primary battery is accurately controlled.
A still further object of this invention is to provide a container having a conduit of adjustable length inserted in the top thereof, and a needle type filling device on the bottom, and wherein a vacuum is applied to the tubing and the filling device is inserted in a solution.
Further objects and advantages of this invention will become apparent to those skilled in the art after consideration of the following detailed description and the appended claims, taken in connection with the attached drawing in which the single figure, drawn partly in section, schematically represents a preferred form of this invention.
Referring now to the drawing, there is shown a container 10 having a plurality of partitioned chambers 11. The number of chambers in the container is determined by the particular primary battery to be filled and by the number of cells therein. In the instant disclosure, the apparatus has been designed for a primary battery having five cells. The container 10 is constructed of plastic or other materials which will not be effected by the corrosive action of an electrolytic solution.
An internally threaded opening 12 is provided at' the top of each chamber 11, and an externally threaded tube 13, of stainless steel or other suitable material, is adjustably screwed into said opening. Each of the openings 12 is sealed by means of a washer 14, and the position of each of the threaded tubes is locked by means of lock nuts 15. A manifold. 16 is provided with a plurality of ports 17 and a plurality of associated, integral tubes 18. The tubes 18 and 13 are coupled together by means of rubber tubing 19. The manifold 16 is also provided with an air vent 20, the opening of which is controlled by means of V a valve 21.
The bottom wall 22 of the container 10 is provided with internally threaded ports 23 into which filling needle units 24- are each threaded. Each filling needle unit is similar to a hypodermic needle and comprises a first hollow needle 25 through which the electrolyte is drawn and through which it drains, and a second hollow needle 26 which provides a vent to permit the escape of air from I the cells during the filling operation of the apparatus.
United States Patent through the needles 25 into the chambers 11. The level i at which the bottom end 30 of the tube 13 has been set determines the amount of electrolyte which is taken into the chambers 11 since all the excess of this is drawn into the manifold 16 and flows through the port 27 into an overflow container (not shown) of the vacuum pump. When the proper level of electrolyte within the chambers 11 has been attained, the valve 29 is closed. The vacuum created in the manifold 16 prevents the electrolyte from draining back into the receptacle 31 which is now removed, and the needle units 24 are inserted into the cell openings of a primary battery to be filled. By merely opening the valve 21- to permit the entry of air into the manifold 16 through the air vent 20, the cells will automatically be filled to the proper level by gravity drain through the filling needle 25. The needles 26 provide a vent to permit the escape of air from the cells as the electrolytic liquid displaces it. The volume of electrolyte which will be provided for each cell will be equal to the volume of a chamber 11 up to the bottom end 30 of the tube 13, plus a small amount of fluid in the tubes 13 and 18. Because of a small ledge or shoulder provided at the port 17 in the manifold 16, no excess fluid remaining in the manifold at the time the valve 29 is closed is permitted to drain back into the chambers 11.
It is seen, therefore, that a simple, inexpensive, speedy and precise method and apparatus have been provided for automatically filling reserve type primary batteries. It is apparent that the apparatus may find use in many other applications where it is required to measure and fill containers with a fluid.
, It is also obvious that many modifications of the disclosed embodiment of this invention will become aparcnt to those skilled in the art, and it is to be understood, therefore, that while the embodiment described is a preferred form of this invention, this invention is not to be limited except by the scope of the spirit of the appended claims.
The invention described herein may be manufactured and used by or for the Government of the United States of America for governmental purposes without the payment of any royalties thereon or therefor.
1 claim:
1. An automatic filling device comprising: a chamber having a first port at the top thereof, and a second port at the bottom; a first tube mounted in said first port and extending partially through said chamber; means for varying the length of said first tube Within said chamber; a second tube mounted in said second port and extending from said chamber for immersion into a body of fluid; and means for applying a vacuum to said first tube, whereby said chamber will be filled with said fluid up to the lower level of said first tube.
2. An automatic filling device comprising a container having a plurality of chambers, each of said chambers having a first port in the top thereof and a second port in the bottom; a first tube for each of said chambers mounted in each of said first ports and extending into said chambers; a second tube for each of said chambers mounted in said second ports and extending from said chambers for immersion into a body of fluid; means for adjusting the length of each of said first tubes within said chamber; and means for applying a vacuum to said first tubes, whereby said chambers will be fil ed said fluid up to the'i'evel of the said -first tubes.
3. An automatic filling device comprising; .a chamber having a fluid passageway at the bottom thereof, a fluid conduit extending vertically into said chamber from the top and terminating aboue the bottom thereof; means for adjusting the length of said fluid conduit within :said chamber; means connecting said fluid passageway at :the bottom of said chamber 'to a body of fluid; means for supplying a sourceof aeducedpressure to said fluid .conduit whereby fluid is forced into :said chamber through said fluid passageway; and woverflow means for draining off the :fluid in :said chamber above the lower level of said fluid conduit means.
4. automatic Iflnid filling device comprising: a chamber having a first fluid conduit extending frorn the bottom thereof for immersion into a body of fluid and -a second fluid conduit extending vertically into said chamber from the top and terminating above the bottom :thereof; means for adjusting the length of said second fluid conduit extending into .said chamber; a manifold coupled to said second fluid conduit; means for coupling said manifold to a source of reduced pressure, whereby fluid will rise from said body of fluid into said chamber through said first fluidconduit; overflow means for draining the excess of fluid in said chamber above the lower level of said fluid conduit means; and means for increasing the pressure in said manifold,
i t i cq' s mul ne u y ll fi t e ell of a ceptacle through a plurality of fluid conduits inserted in said fluid into each of a plurality of similar chambers to a predetermined level by applying a vacuum to said chambers; removing said fluid conduit from said fluid and inserting one of each of said conduits in the opening of said ,cells While maintaining the vacuum; and then removing the vacuum from said chambers.
6. An automatic filling device comprising a container having a plural ty of vchambe s, a h of aid chamb rs having a first .port in the top thereof and a second port in the bottom; a first tube for each of said chambers mounted in each of said first ports and extending partially through each of said chambers; a second tube for each of said chambers mountedin said second ports and extending from said chambers for immersion into a body of fluid; means for adjusting the =length of each of said first tubes Within said chamber; and means for applying a vacuum iosaid \first :tuhes, whereby said chambers will be filled witheaid zfluid up its thelevel-of the ,saidjfirst tubes.
mi raines Qitss th file 1 this Pa n ZUNITEED S' IATES PATENTS 1,956,968 Altmayer et a1. May 1934
Publications (1)
Publication Number | Publication Date |
---|---|
US2732985A true US2732985A (en) | 1956-01-31 |
Family
ID=3442620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US2732985D Expired - Lifetime US2732985A (en) | Electrolyte |
Country Status (1)
Country | Link |
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US (1) | US2732985A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2886619A (en) * | 1957-05-15 | 1959-05-12 | Howard C Davis | Deferred action battery |
US2964390A (en) * | 1955-01-31 | 1960-12-13 | Dwight A Cummings | Liquid measuring device |
US3753786A (en) * | 1972-03-29 | 1973-08-21 | Gould Inc | Method and apparatus for adjusting battery electrolyte concentration |
US3753785A (en) * | 1972-03-29 | 1973-08-21 | Gould Inc | Acid mixing method |
US5874296A (en) * | 1998-01-15 | 1999-02-23 | Kang; Jing X. | Method and apparatus for liquid medium exchange |
US20150050569A1 (en) * | 2012-04-04 | 2015-02-19 | Nissan Motor Co., Ltd. | Air cell |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1956968A (en) * | 1932-10-29 | 1934-05-01 | Willard Storage Battery Co | Battery filler |
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0
- US US2732985D patent/US2732985A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1956968A (en) * | 1932-10-29 | 1934-05-01 | Willard Storage Battery Co | Battery filler |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2964390A (en) * | 1955-01-31 | 1960-12-13 | Dwight A Cummings | Liquid measuring device |
US2886619A (en) * | 1957-05-15 | 1959-05-12 | Howard C Davis | Deferred action battery |
US3753786A (en) * | 1972-03-29 | 1973-08-21 | Gould Inc | Method and apparatus for adjusting battery electrolyte concentration |
US3753785A (en) * | 1972-03-29 | 1973-08-21 | Gould Inc | Acid mixing method |
US5874296A (en) * | 1998-01-15 | 1999-02-23 | Kang; Jing X. | Method and apparatus for liquid medium exchange |
US20150050569A1 (en) * | 2012-04-04 | 2015-02-19 | Nissan Motor Co., Ltd. | Air cell |
US10923748B2 (en) | 2012-04-04 | 2021-02-16 | Nissan Motor Co., Ltd. | Air cell |
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