US83796A - Improved water-heater - Google Patents

Improved water-heater Download PDF

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US83796A
US83796A US83796DA US83796A US 83796 A US83796 A US 83796A US 83796D A US83796D A US 83796DA US 83796 A US83796 A US 83796A
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tubes
heater
steam
improved water
water
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/0408Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F28D1/0435Combination of units extending one behind the other

Description

Q o s e @timed ,tait/51 -Mfs HIBBARD SABIN, OF PHILADELPHIA, PENNSYLVANIA.

Letters Patent No. 83,7 96, dated November 3, 1868.

MROYED WATER-HEATER.

To all lwhom it may concern:

`with a series of external and internal tubes, and with inlets and outlets for steam andwater, all substantially as described hereafter, so as to utilize nearly all the available heat in the steam.

My invention further consists of a modilication of the heater, for use in locomotives, in the manner described hereafter.

In order to enable others skilled in the art to make and apply my invention, I will now proceed to describe its construction and operation, reference being had to the accompanying drawing, which forms a part of lthis specification, and inA which- Figure l is a longitudinal section of my improved Water-heater; l

Figure 2, a transverse section on the line 1 2, iig. l: and

Figure 3 represents my invention applied to the smoke-stack of a locomotive.

On reference to iigs. l and 2, A is the outer casing of the heater, which, in the present instance, is of the square form shown, this casing being closed at its op-v posite ends, a a', and having, near the former end, in-x ternal partitions, b and c, and near the end al, partitions el and e, so that the casing yis separated by these partitions into the compartments B, B', E, E', and F.

A series of tubes, f, extends from the partition c-to.r the partition d, and forms communications betweenythe compartments E and E.

Through each oi the pipes j' passes a smallerpipe,

h, all of the latter extending from the partition b to the partition e, and forming communications between the compartments B and B.

Hollow projections, t t, are arranged at one end of the heater, so as to form communications between the middle compartment F and end-compartment B.

The feed-water is admitted through the pipe fm to the ,compartment E, passes thence, `through the spaces between the external tubes f and internal tubes h, to the compartment E', and leaves the latter through the pipes fm'. v

. Exhaust or other steam enters the compartment B through the pipe a, passes thence, through the internal tubes h, into the compartment B; thence, through the passages t i, returns through the middle compartment F, and escapes through the pipe n.

It will be seen that as both the inner and outer tubes, f and h, are exposed to the steam, the water, in taking its course through the annular spaces between these tubes, is exposed to two heating-surfaces, in contact with which the entire volumeof steam is caused to pass, first within the inner tubes, and then round the outer tubes, nearly all the available heat in the steam being thus imparted to the water.

Ing. 3, the outer casing, A, is dispensed with, and the tubes are arranged vertically in a circle, the inner tubes h forming communications between the lower and upper chambers B, and the outer tubes forming communications between the annular chambers E and E', the whole being placed within the chimney of a locomotive, uhe chimney, in this instance, being a sub stitute for an outer casing.

I do not claim the 'combination of inner and outer tubes, forming annular water-spaces, and internal and outer passages for the steam; but

I claim as my invention, and desire to secure by Letters Patent- The arrangement of chambers or passages B, B', E, E', F, and 1'-, in respect to internal and external tubes h and f, so that the steam shall pass first within and then around the tubes, as described.

In testimony whereof, I have signed my name to this specification, in the presence of -two subscribing witnesses.

HIBBARD SABDT.

Witnesses:

JOHN WHITE, C. B. PRICE.

US83796A Improved water-heater Expired - Lifetime US83796A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6626235B1 (en) * 2001-09-28 2003-09-30 Ignas S. Christie Multi-tube heat exchanger with annular spaces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6626235B1 (en) * 2001-09-28 2003-09-30 Ignas S. Christie Multi-tube heat exchanger with annular spaces

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