USRE6744E - Improvement in milk-coolers - Google Patents

Improvement in milk-coolers Download PDF

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Publication number
USRE6744E
USRE6744E US RE6744 E USRE6744 E US RE6744E
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US
United States
Prior art keywords
milk
vessel
water
temperature
tube
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English (en)
Inventor
Charles A. Douglas
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  • MILK-COOLER No. 6,744. Reissued Nov. 16, 1.875.
  • My invention relates to an apparatus for holding milk at a given temperature by means of running water; and consists in the several devices and their combinations, hereinafter described, the object being to first reduce the temperature of the milk to about sixty-two (62)degrees, and hold it at the same, so that the cream contained in the milk willbe capable of rising to the surface of the milk in a uniform and rapid manner without any check, until all or the major portion is freed from the bulk of the milk in the vessel; also, to economize space for operating with'large quantities, and also for a cleanly and economical operation, both with the milk and water operated with;
  • A represents any suitable frame-work capable of supporting the several parts of the apparatus.
  • B is the Water-vessel, constructed of wood or metal, or other suitable material. (3 is a vessel setting within the water -vessel, with its bottom at about three-quarters (5 ⁇ ) of an inch from the top surface of said water-vessel, more or less, and is intended to contain the milk to be operated with.
  • the said milk-vessel is made with flaring sides a, flat bottom a and with intermediate concave corners (L as shown in Fig. 2.
  • the vessels B and C have each an independent discharge-tube for carrying off their contents, as may be required, without the liquid of the one vessel interfering with the other in its flow.
  • I employ a short tube, 0, secured to the bottom of the milk-vessel, and a tube, 8, secured to the bottom of the water- Vessel, and the conduct-tube 2, working up through the tubes, and connecting with the tube 6, as shown in Fig. 1.
  • the water-vessel B I employ a device which I call the water-governor, located at any desirable point in the said vessel.
  • the said device consists of a tube, D, open at both ends, and provided with any suitable ears or radial handles 01, for convenience in the operation of setting.
  • the said tube nicely fits within a second tube, E, secured to the bottom of said water-vessel, and is free to be moved vertically in either direction, to either lengthen or shorten the distance of the upper end of the tube D above the upper surface of the bottom of said water-vessel, as shown in Fig. 3 by full and dotted lines.
  • the said governor operates to maintain or hold the milk in the vessel 0 to one given temperature by holding the water in the vessel B f 0 the F is a conduct-pipe,provided with-a funnel- 10a sufficient,heighttfor a -proper immersion I l'riafces'of the walls of the'milkvessel,; so that the body 'of thewater at any temperature between freezing and 60 in the lower vessel maybe regulated and steadily maintained to a depth proportionate to the body of milk to be operatediwi-th in the immersed vessel, and the temperature of the room in .
  • the apparatus is placed, as may be necessary to secure the proper temperature of the milk in a uniform manner for the time required for the rising of the cream to'the mouth, F above, and leading to any suitable discharge end, for conveying away the water from, the vessel B as it is permitted to run off through thegovernor D to'any gutter or other han-terror conveyance from the milk-room.
  • the milk is poured into the'vessel O to any desi'red dep'th, with the tube 6 plugged to preve'nt'its escape.
  • a small stream of water is permitted'ftoflow continuously into the vessel B, and the governor D is adjusted vertically to 'aheight suffieient to cause the water in the vessel B'to rise up to near the upper margin 1' edge of the vessel 0, to whichheight the wa- I teristo be helduntil the temperature of the milk' is lowered to about sixty-two (62) degrees,which is done ina few minutes.
  • the governor is I lowered until thebody'ot' the water is reduced in depth sufficient for maintaining the said sixty-two -(62 )deg-recs of temperature. witli themilk mean thetime the same body of milk "may befin operation; but if the temperature Set the running water is higher, say about 55 the governor is' to be raised until-the height of the watersurrounding the milk-vessel will be sufficient to maintain the body of the milk to-th en desired temperature, and in all cases the'saidgovernor maybe set to lessen Orin-1 ,ercase' the depth of the immersion of the milk vessel; that the running water, at any temperature below'sixty (600) degrees, maybe forth held steadily. to retain the temperatureoff the milk to one desired temperature, withthe depth of water at one temperature, and in a given body proportionate to the body of the milk to be operated with, and to be held at a of the running water,
  • Each-[set of said'vessels have conducts F and G of their own.
  • the conducts F F terminate in acommon conduct, F at some point below the lowermost conduct,
  • B B' may be unitedlyi conveyed away from the milkroom through one gutter or channel to some receptacle or place without.
  • G G also terminate in a common conduct, G ,belowthe lowermost one, so that either the milk or. water may be simultaneously discharged from their similar vessels into one receptacle .or gutter, either in or without the milk-house.

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