GB646449A - Improvements in or relating to heat-exchange devices - Google Patents

Improvements in or relating to heat-exchange devices

Info

Publication number
GB646449A
GB646449A GB2906947A GB2906947A GB646449A GB 646449 A GB646449 A GB 646449A GB 2906947 A GB2906947 A GB 2906947A GB 2906947 A GB2906947 A GB 2906947A GB 646449 A GB646449 A GB 646449A
Authority
GB
United Kingdom
Prior art keywords
chamber
wires
wax
casting
heat
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
Application number
GB2906947A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEOFFREY HERBERT BEAUCHAMP
WILLIAM HENRY LOVELL
Birmingham Small Arms Co Ltd
Original Assignee
GEOFFREY HERBERT BEAUCHAMP
WILLIAM HENRY LOVELL
Birmingham Small Arms Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GEOFFREY HERBERT BEAUCHAMP, WILLIAM HENRY LOVELL, Birmingham Small Arms Co Ltd filed Critical GEOFFREY HERBERT BEAUCHAMP
Priority to GB2906947A priority Critical patent/GB646449A/en
Publication of GB646449A publication Critical patent/GB646449A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B22C9/04—Use of lost patterns
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F28F1/04—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular
    • F28F1/045—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular with assemblies of stacked elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

646,449. Tubular heat-exchange elements. BIRMINGHAM SMALL ARMS CO., Ltd., BEAUCHAMP, G. H., and LOVELL, W. H. Oct. 31, 1947, No. 29069. [Class 64(iii)] [Also in Group XXII] A heating and/or cooling chamber for heat-exchange devices, having a number of wires located within the chamber is formed by precision casting and the wires are secured to the chamber during the casting process. Fig. 1 shows a wax-casing 1 of wedgeshaped cross-section in which wires 3 are embedded transversely to the direction of flow of fluid within the chamber. To form the chamber a metal die is filled with molten wax, which when set is removed from the die. The wires being inserted in the wax model with their ends protruding, the wax is sprayed with a refractory coating such as sodium or ethyl silicate and placed in a moulding box, the normal investments used in casting, comprising a high refractory such as sellimanite being introduced. During filling the model is preferably vibrated. Upon melting of the wax the wires are left embedded in the mould the inner surface of which is the refractory coating of the wax model. The mould is then baked and afterwards filled with molten metal which upon solidification forms the casting of the chamber in which the wires are embedded. Projecting ends of the wires may be trimmed off. Fluids may be passed through the chamber or the chamber may be closed at one end and provided with an inclined baffle 5 to promote circulation. Heat transfer fins may be provided on the external wall of the chamber.
GB2906947A 1947-10-31 1947-10-31 Improvements in or relating to heat-exchange devices Expired GB646449A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2906947A GB646449A (en) 1947-10-31 1947-10-31 Improvements in or relating to heat-exchange devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2906947A GB646449A (en) 1947-10-31 1947-10-31 Improvements in or relating to heat-exchange devices

Publications (1)

Publication Number Publication Date
GB646449A true GB646449A (en) 1950-11-22

Family

ID=10285685

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2906947A Expired GB646449A (en) 1947-10-31 1947-10-31 Improvements in or relating to heat-exchange devices

Country Status (1)

Country Link
GB (1) GB646449A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605091A1 (en) * 1986-10-14 1988-04-15 Tecnoclima Spa Hot-air generator having a very high output

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605091A1 (en) * 1986-10-14 1988-04-15 Tecnoclima Spa Hot-air generator having a very high output

Similar Documents

Publication Publication Date Title
KR840003445A (en) Centrifugal Cast Iron Pipe of Spheroidal Graphite Cast Iron and its Manufacturing Method
US2420003A (en) Temperature control mold
FR2237156A1 (en) Adjustable heat exchanger - particularly useful for cooling moulds used in glass making and metallurgy
ES460606A1 (en) Investment casting method for making a desired casting
GB585665A (en) Casting metals
GB646449A (en) Improvements in or relating to heat-exchange devices
US3041688A (en) Shell mold for investment castings and method of making same
US1564274A (en) Method of and means for casting articles
US3404724A (en) Method of casting in a shell molding
GB567012A (en) Improvements in or relating to the production of hollow moulded articles from polythene compositions
JPS55136556A (en) Low-pressure casting device
JPS5561368A (en) Casting method of thin-walled casting
GB685135A (en) Improvements relating to lures for use in fishing
SU1720790A1 (en) Mould for making iron castings
CN209077711U (en) A kind of ironcasting sand mold casting mold
JPS56114552A (en) Metal mold for casting
RU2120259C1 (en) Method of anatomic model manufacture, device intended for its realization and composition for model material formation
US2731688A (en) Shrinkage control device for cast metal
JPH0428692Y2 (en)
CN107335780A (en) A kind of hot investment casting process for making shell
US1572428A (en) Method of attaching copper fins to cast-iron cylinders
JPS571469A (en) Anti-rust method of inner wall surface of structure with closed section
JPS5630068A (en) Die casting machine
US1458222A (en) Method of gating castings
SU85940A1 (en) Method for the production of castings according to the method of precision casting