US1367394A - Freezing-tank - Google Patents

Freezing-tank Download PDF

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Publication number
US1367394A
US1367394A US336538A US33653819A US1367394A US 1367394 A US1367394 A US 1367394A US 336538 A US336538 A US 336538A US 33653819 A US33653819 A US 33653819A US 1367394 A US1367394 A US 1367394A
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Prior art keywords
chambers
freezing
bottom cover
ice
casing
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Expired - Lifetime
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US336538A
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Instone Alfred Joseph
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Individual
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • F25C1/18—Producing ice of a particular transparency or translucency, e.g. by injecting air

Definitions

  • This invention relates to improvements in freezing tanks, and has for its object to facllitate the withdrawal of the blocks of ice from the tank.
  • the tank comprises a casing divided into chambers tapering upward by hollow partitions and having a removable bottom cover to allow the removal of the blocks of ice.
  • the bottom cover is preferably lowered and then tilted in order that the blocks may be delivered at one end.
  • a false bottom may be secured to the bottom cover and an air delivery pipe passes between the false bottom and the bottom cover and air is blown into the charm bers through nozzles on the pipe. When the bottom cover is lowered these nozzles are easily thawed and cleaned.
  • the freezing medium is fed to the hollow partitions through a pipe near the bottom of the casing and passes away through a pipe near the top.
  • Ammonia may be used as the freezing medium, in which case it is fed in a liquid form through the pipe near the bottom and passes away as a vapor through the pipe near the top.
  • the vaporized ammonia mentioned above is pumped into the hollow partitions, causing the vapor to become liquid, but by lowering the pressure the liquid ammonia can be again vaporized and used for cooling the molds in another machine.
  • FIG. 1 is a side elevatlon partly in section and Fig. 2 is a plan partly in section.
  • a is a casing having a top cover b and a bottom cover 0.
  • the casing is divided into chambers d tapering upward low partitions e chambers 1 extending along the sides of the Specification of Letters Patent.
  • the freezing medium is supplied to the chamber 9 through an inlet a and passed away to an outlet 7'.
  • a false bottom is and between the cover 0 and the false bottom 70 is an air pipe 1 having nozzles m through which air is delivered into the chambers d.
  • the bottom cover 0 is supported upon a ram 01 by which it is lowered into the position shown in dotted lines in Fig. 1, the cover 0 being tilted by the block 0 in order that the blocks may be delivered at one end to an incline 1).
  • a freezing tank comprising a casing, hollow partitions dividing the easing into chambers in which ice is made and a single detachable bottom cover for closing the lower ends of all the chambers.
  • a freezing tank comprising a casing, hollow partitions tapering downward and dividing the easing into chambers tapering upward and in which ice is made, and a single detachable bottom cover for closing the lower ends of all the chambers.
  • a freezing tank comprising a casin hollow partitions tapering downward and dividing the easing into chambers tapering upward and in which ice is made, a detachable bottom cover, a false bottom secured to the bottom cover, and an air pipe extending between the false bottom and the bottom cover and delivering to the chambers.
  • a freezing tank comprising a casing, hollow partitions tapering downward and dividing the easing into chambers tapering upward and in which ice is made, a single detachable lower ends of all the chambers, a false bottom arranged above the bottom cover and secured thereto, and an air pipe extending between the false bottom and the bottom cover and delivering to said chambers.
  • a freezing tank comprising a casing, hollow partitions tapering downward and dividing the easing into chambers tapering upward and in which ice is made, a detachable bottom cover for closing the lower ends of all the chambers, and means for supporting and for lowering the bottom. cover with the ice from said chambers.
  • a freezing tank comprising a casing, for tilting the cover While supporting the hollow partitions dividing the casing into ice after it is lowered. chambers in Which ice is made, a single de- In testimony that I claim the foregoing 10 tachable bottom cover for closing the lower as my invention I have signed my name this 5 ends of all the chambers, means for support- 24th day of October, 1919.

Description

Patented Feb. 1, 1921 jam A 1. INSTONE. FREEZING TANK.
APPLICATION FILED NOV: 8. 199.
UNITED STATES PATENT orricn.
FREEZING-TAN K.
Application filed November 8, 1919.
1 '0 all whom it may concern:
Be it known that swim, a subject of the King of Great Britain, residing at 17 Ashley road, Crouch Hill, London, England, have invented a new and useful Improvement in Freezing-Tanks, of which the following is a specification.
This invention relates to improvements in freezing tanks, and has for its object to facllitate the withdrawal of the blocks of ice from the tank.
According to this invention the tank comprises a casing divided into chambers tapering upward by hollow partitions and having a removable bottom cover to allow the removal of the blocks of ice. The bottom cover is preferably lowered and then tilted in order that the blocks may be delivered at one end. A false bottom may be secured to the bottom cover and an air delivery pipe passes between the false bottom and the bottom cover and air is blown into the charm bers through nozzles on the pipe. When the bottom cover is lowered these nozzles are easily thawed and cleaned.
The freezing medium is fed to the hollow partitions through a pipe near the bottom of the casing and passes away through a pipe near the top. Ammonia may be used as the freezing medium, in which case it is fed in a liquid form through the pipe near the bottom and passes away as a vapor through the pipe near the top.
In order to loosen the ice from the molds, the vaporized ammonia mentioned above is pumped into the hollow partitions, causing the vapor to become liquid, but by lowering the pressure the liquid ammonia can be again vaporized and used for cooling the molds in another machine.
When brine is used as the freezing medium, it is necessary to heat it before using it for thawing out the ice.
The accompanying drawings show a freezing tank made in accordance with this 1nvention. Figure 1 is a side elevatlon partly in section and Fig. 2 is a plan partly in section. a is a casing having a top cover b and a bottom cover 0. The casing is divided into chambers d tapering upward low partitions e chambers 1 extending along the sides of the Specification of Letters Patent.
1, ALFRED JOSEPH In which communicate with Patented Feb. 1, 1921.
Serial No. 336,538.
casing and chambers g at the ends of the casing. The freezing medium is supplied to the chamber 9 through an inlet a and passed away to an outlet 7'. To the bottom cover 0 is secured a false bottom is and between the cover 0 and the false bottom 70 is an air pipe 1 having nozzles m through which air is delivered into the chambers d. The bottom cover 0 is supported upon a ram 01 by which it is lowered into the position shown in dotted lines in Fig. 1, the cover 0 being tilted by the block 0 in order that the blocks may be delivered at one end to an incline 1).
What I claim is 1. A freezing tank comprising a casing, hollow partitions dividing the easing into chambers in which ice is made and a single detachable bottom cover for closing the lower ends of all the chambers.
2. A freezing tank comprising a casing, hollow partitions tapering downward and dividing the easing into chambers tapering upward and in which ice is made, and a single detachable bottom cover for closing the lower ends of all the chambers.
3. A freezing tank comprising a casin hollow partitions tapering downward and dividing the easing into chambers tapering upward and in which ice is made, a detachable bottom cover, a false bottom secured to the bottom cover, and an air pipe extending between the false bottom and the bottom cover and delivering to the chambers.
1. A freezing tank comprising a casing, hollow partitions tapering downward and dividing the easing into chambers tapering upward and in which ice is made, a single detachable lower ends of all the chambers, a false bottom arranged above the bottom cover and secured thereto, and an air pipe extending between the false bottom and the bottom cover and delivering to said chambers.
5. A freezing tank comprising a casing, hollow partitions tapering downward and dividing the easing into chambers tapering upward and in which ice is made, a detachable bottom cover for closing the lower ends of all the chambers, and means for supporting and for lowering the bottom. cover with the ice from said chambers.
bottom cover for closing the 6. A freezing tank comprising a casing, for tilting the cover While supporting the hollow partitions dividing the casing into ice after it is lowered. chambers in Which ice is made, a single de- In testimony that I claim the foregoing 10 tachable bottom cover for closing the lower as my invention I have signed my name this 5 ends of all the chambers, means for support- 24th day of October, 1919.
ing the bottom cover and for lowering it with the ice from the chambers, and means ALFRED JOSEPH IN STONE.
US336538A 1919-11-08 1919-11-08 Freezing-tank Expired - Lifetime US1367394A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2908797A (en) * 1956-06-21 1959-10-13 Republic Aviat Corp Means for and method of machining metals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2908797A (en) * 1956-06-21 1959-10-13 Republic Aviat Corp Means for and method of machining metals

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