# US 8,783,068 B2 · Batch charger cooling > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,783,068 B2 - Document ID: US8783068B2 - Status: Granted - Kind: B2 - Application number: 14/036,394 - Filed: 2013-09-25 - Published: 2014-02-06 - Granted: 2014-07-22 - Earliest claimed: 2012-01-09 - Assignees: Owens-Brockway Glass Container Inc. - Applicants: Owens-Brockway Glass Container Inc. - Inventors: Kenneth D. Macleod; David L. Lewis; Robert Ponzi - Web page: https://patentgrep.com/patent/US8783068B2 ## CPC - C03B 5/167: Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches (C03B5/20, C03B5/42 take precedence) - C03B 3/00: Charging the melting furnaces - C03B: MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES ## Abstract A coolant box for a glass batch charger that includes a base, a front wall, a rear wall, a coolant labyrinth extending from the base between the front and rear walls, and including a plurality of curvate baffle walls establishing a plurality of curvate coolant channels. ## Claims ### Claim 1 A coolant box for a glass batch charger that includes: a base; a front wall; a rear wall; a coolant labyrinth extending from the base between the front and rear walls, and including a plurality of curvate baffle walls establishing a plurality of curvate coolant channels, wherein the coolant box is a base coolant box used to support other coolant boxes, is horseshoe-shaped including opposed heel portions and a toe portion between the heel portions, and includes at least two concentric coolant channels. ### Claim 2 (depends on 1) The coolant box set forth in claim 1 wherein the coolant channels are substantially concentric. ### Claim 3 (depends on 1) The coolant box set forth in claim 1 wherein the coolant channels include a radially inner-most coolant channel and a radially outer-most coolant channel, and the coolant labyrinth includes an inlet and an outlet, wherein the inlet is upstream of the radially inner-most coolant channel, and the outlet is downstream of the radially outer-most coolant channel. ### Claim 4 (depends on 1) The coolant box set forth in claim 1 wherein the coolant channels extend across the toe portion. ### Claim 5 (depends on 4) The coolant box set forth in claim 4 wherein the coolant channels extend between the heel portions. ### Claim 6 (depends on 1) The coolant box set forth in claim 1 wherein the coolant box includes an inlet and an outlet in one of the heel portions. ### Claim 7 (depends on 1) The coolant box set forth in claim 1 that includes a plurality of levels that include a lower level and a upper level disposed on the lower level, wherein the lower level is composed of a first material, and the upper level is composed of a second material different from the first material. ### Claim 8 (depends on 7) The coolant box set forth in claim 7 wherein the first material is 310 stainless steel, and the second material is 304 stainless steel. ### Claim 9 (depends on 1) The coolant box set forth in claim 1 wherein the coolant channels include a radially inner-most coolant channel, a radially outer-most coolant channel, and at least one intermediate coolant channel between the radially inner-most and outer-most coolant channels, and a cross-sectional area of the radially inner-most coolant channel is smaller than one or more of the outer-most or intermediate coolant channels to provide relatively higher fluid velocity through the radially inner-most coolant channel. ### Claim 10 (depends on 1) The coolant box set forth in claim 1 wherein the curvate coolant channels are arcuate. ### Claim 11 (depends on 1) The coolant box set forth in claim 1 wherein the curvate baffle walls are arcuate throughout substantially their entire length. ### Claim 12 A coolant box for a glass batch charger that includes: a base; a front wall; a rear wall; a coolant labyrinth extending from the base between the front and rear walls, and including a plurality of curvate baffle walls establishing a plurality of curvate coolant channels, wherein the coolant box is an oscillating coolant box used to support other portions of a batch charger, is substantially circular and includes a pusher opening between opposed point portions and a midsection between the point portions, and includes at least two concentric coolant channels. ### Claim 13 (depends on 12) The coolant box set forth in claim 12 wherein the coolant channels extend across the midsection. ### Claim 14 (depends on 13) The coolant box set forth in claim 13 wherein the coolant channels extend between the point portions. ### Claim 15 (depends on 14) The coolant box set forth in claim 14 wherein the coolant box includes an inlet and an outlet in one of the point portions. ### Claim 16 (depends on 12) The coolant box set forth in claim 12 that includes a plurality of levels that include a lower level and a upper level disposed on the lower level, wherein the lower level is composed of a first material, and the upper level is composed of a second material different from the first material. ### Claim 17 (depends on 16) The coolant box set forth in claim 16 wherein the first material is 310 stainless steel, and the second material is 304 stainless steel. ### Claim 18 (depends on 12) The coolant box set forth in claim 12 wherein the coolant channels are substantially concentric. ### Claim 19 (depends on 12) The coolant box set forth in claim 12 wherein the coolant channels include a radially inner-most coolant channel and a radially outer-most coolant channel, and the coolant labyrinth includes an inlet and an outlet, wherein the inlet is upstream of the radially inner-most coolant channel, and the outlet is downstream of the radially outer-most coolant channel. ### Claim 20 (depends on 12) The coolant box set forth in claim 12 wherein the coolant channels include a radially inner-most coolant channel, a radially outer-most coolant channel, and at least one intermediate coolant channel between the radially inner-most and outer-most coolant channels, and a cross-sectional area of the radially inner-most coolant channel is smaller than one or more of the outer-most or intermediate coolant channels to provide relatively higher fluid velocity through the radially inner-most coolant channel. ### Claim 21 (depends on 12) The coolant box set forth in claim 12 wherein the curvate coolant channels are arcuate, and the curvate baffle walls are arcuate throughout substantially their entire length. ### Claim 22 A coolant box for a glass batch charger that includes: a base; a front wall; a rear wall; a coolant labyrinth extending from the base between the front and rear walls, and including a plurality of curvate baffle walls establishing a plurality of curvate coolant channels, and a plurality of levels that include a lower level having the base, the front and rear walls, and the coolant labyrinth, and a upper level disposed on the lower level and having an intermediate plate, a second front wall, and a second rear wall, wherein the upper level includes a baffle wall extending from the base adjacent the front wall to establish a coolant passage, and also includes a coolant pool disposed between the baffle and the rear wall. ### Claim 23 (depends on 22) The coolant box set forth in claim 22 wherein the upper level includes another baffle extending from the base adjacent the rear wall to establish another coolant passage, wherein the coolant pool is disposed between the baffle walls. ### Claim 24 A coolant box for a glass batch charger that includes: a base; a front wall; a rear wall; a coolant labyrinth extending from the base between the front and rear walls, and including a plurality of curvate baffle walls establishing a plurality of curvate coolant channels, wherein the coolant box is a horizontal riser box that is substantially rectangular and includes an oscillator opening and at least two concentric coolant channels that extend around the oscillator opening. ### Claim 25 (depends on 24) The coolant box set forth in claim 24 wherein the coolant box includes an inlet at one side and an outlet at another side. ### Claim 26 (depends on 24) The coolant box set forth in claim 24 wherein the coolant channels are substantially concentric. ### Claim 27 (depends on 24) The coolant box set forth in claim 24 wherein the coolant channels include a radially inner-most coolant channel and a radially outer-most coolant channel, and the coolant labyrinth includes an inlet and an outlet, wherein the inlet is upstream of the radially inner-most coolant channel, and the outlet is downstream of the radially outer-most coolant channel. ### Claim 28 (depends on 24) The coolant box set forth in claim 24 wherein the coolant channels include a radially inner-most coolant channel, a radially outer-most coolant channel, and at least one intermediate coolant channel between the radially inner-most and outer-most coolant channels, and a cross-sectional area of the radially inner-most coolant channel is smaller than one or more of the outer-most or intermediate coolant channels to provide relatively higher fluid velocity through the radially inner-most coolant channel. ### Claim 29 (depends on 24) The coolant box set forth in claim 24 wherein the curvate coolant channels are arcuate, and the curvate baffle walls are arcuate throughout substantially their entire length.