US3553532A - Housings containing tiles carrying electrical printed circuits with thermal and electrical connecting straps made from braided metal - Google Patents

Housings containing tiles carrying electrical printed circuits with thermal and electrical connecting straps made from braided metal Download PDF

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Publication number
US3553532A
US3553532A US778143A US3553532DA US3553532A US 3553532 A US3553532 A US 3553532A US 778143 A US778143 A US 778143A US 3553532D A US3553532D A US 3553532DA US 3553532 A US3553532 A US 3553532A
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US
United States
Prior art keywords
housing
tile
tiles
printed circuits
thermal
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 - Lifetime
Application number
US778143A
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English (en)
Inventor
Anthony Ernest Cheshire
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries 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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Application granted granted Critical
Publication of US3553532A publication Critical patent/US3553532A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
    • H05K7/1424—Card cages
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20536—Modifications to facilitate cooling, ventilating, or heating for racks or cabinets of standardised dimensions, e.g. electronic racks for aircraft or telecommunication equipment
    • H05K7/20545—Natural convection of gaseous coolant; Heat transfer by conduction from electronic boards

Definitions

  • An assembly comprising at least one tile mounted in a housing, foamed plastics material for supporting the tile in the housing, and at least one flexible metallic strap connected through a metal shoe to a metallised edge portion of the tile, at least one end of the strap being secured to the housing.
  • the object of the invention is to provide an assembly of the kind referred to in which provision is made for the escape of heat from the tile or tiles.
  • an assembly comprising at least one tile, carrying electrical printed circuits, a housing in which the tile is mounted, foamed plastics material whereby the tile is supported in the housing, and at least one flexible metallic strap connected, through a metal shoe to a metallized edge portion of the tile, and means for securing at least one of the ends of the strap to the housing.
  • FIG. 1 is a brokenaway side elevation view of a housing containing tiles and constructed in accordance with the present invention
  • FIG. 2 is a cross-sectional view of the housing in end elevation
  • FIG. 3 is a fragmentary cross-sectional view on the line 3-3 in H6. 2.
  • the assembly illustrated comprises a sheet metal housing in which are disposed three tiles 1] arranged in spaced parallel relation, each tile carrying electrical printed circuits and other electrical components.
  • the tiles 11 are supported within the housing 10 by means of pads or blocks of a foamed plastics material some of which are identified by 16, which, however, do not have adequate heat absorption properties to dissipate the heat generated upon the tiles ll.
  • the tiles 11 have metallized surface portions to form the electric circuits and in this example three of the edges of each of the tiles are also metallized. If appropriate these edge portions may be part of the electrical circuits and may, for example, serve as earth connectors.
  • a plurality of flexible straps 12 formed from braided metal, these being connected to the edge portions of the tiles 11 by means of metal shoes 13. Furthermore, in this example one end of each of the straps 12 is connected to the housing 10 by means of a plate 14 and rivets 15.
  • the shoes 13 are, in this example, formed from a material known by the Registered Trade Mark Nilo K and include channel shaped portions as shown in FIG. 3, into which the metallized edge portions of the tiles 1] fit, and have loop forming flanges which embrace the straps 12, this being seen in FIG. 1.
  • the tiles are mounted in such a way that limited relative movement can take place, this being important since they can easily fracture, and the strap 12 and shoes 13 enable heat and also if desired, electrical conduction to take place between edge portions of the tiles and the hous ing 10.
  • the tiles which are rectangular are supported by the straps 12 along three of their sides, they can be withdrawn when required from the housing through a detachable panel (not shown) of the housing disposed adjacent to the fourth sides of each of the tiles.
  • An assembly comprising at least one tile, carrying electrical printed circuits, a housing in which the tile is mounted, foamed plastics material whereby the tile is supported in the housing, and flexible nonresilient metallic straps connected, through respective metal shoes to metallized edge portions of the tile, and means for securing at least one of the ends of each of the straps to the housing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Casings For Electric Apparatus (AREA)
  • Multi-Conductor Connections (AREA)
  • Mounting Of Printed Circuit Boards And The Like (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
US778143A 1967-11-23 1968-11-22 Housings containing tiles carrying electrical printed circuits with thermal and electrical connecting straps made from braided metal Expired - Lifetime US3553532A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5335667 1967-11-23

Publications (1)

Publication Number Publication Date
US3553532A true US3553532A (en) 1971-01-05

Family

ID=10467512

Family Applications (1)

Application Number Title Priority Date Filing Date
US778143A Expired - Lifetime US3553532A (en) 1967-11-23 1968-11-22 Housings containing tiles carrying electrical printed circuits with thermal and electrical connecting straps made from braided metal

Country Status (5)

Country Link
US (1) US3553532A (fi)
JP (1) JPS4837185B1 (fi)
FR (1) FR1592858A (fi)
GB (1) GB1252256A (fi)
SE (1) SE341207B (fi)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678342A (en) * 1971-01-06 1972-07-18 Lucas Industries Ltd Mounting arrangement for a board which supports electrical conductors
US3934074A (en) * 1974-04-22 1976-01-20 Trw Inc. Ceramic circuit board mounted in housing and method of fabrication thereof
US4109299A (en) * 1976-08-30 1978-08-22 Rca Corporation Electrical connection between conductors on spaced plates
US4386390A (en) * 1981-01-21 1983-05-31 The Bendix Corporation Vibration adjustable spacer
US4412272A (en) * 1981-08-31 1983-10-25 General Dynamics, Pomona Division Flexible printed circuit card assembly
US4468718A (en) * 1982-04-13 1984-08-28 General Electric Company Enclosure and mounting member for printed circuit boards
US4596910A (en) * 1983-10-28 1986-06-24 Bbc Brown, Boveri & Company, Limited High-voltage circuit breaker
US4602316A (en) * 1985-03-29 1986-07-22 Rca Corporation Structure and method for interconnecting printed circuit boards

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1411080A (en) * 1971-11-17 1975-10-22 Lucas Industries Ltd Mounting arrangements for printed circuit boards

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3006982A (en) * 1958-10-10 1961-10-31 Frank M Krantz Mounting system for printed circuits
US3157828A (en) * 1960-08-11 1964-11-17 Gen Motors Corp Encapsulated printed circuit module with heat transfer means
US3268772A (en) * 1963-03-26 1966-08-23 North American Aviation Inc Packaged electronic equipment
US3328646A (en) * 1965-01-26 1967-06-27 Bull General Electric Plug-in system for detachable elements
US3349288A (en) * 1964-04-07 1967-10-24 Siemens Ag Framework and connection system for removable electrical components

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3006982A (en) * 1958-10-10 1961-10-31 Frank M Krantz Mounting system for printed circuits
US3157828A (en) * 1960-08-11 1964-11-17 Gen Motors Corp Encapsulated printed circuit module with heat transfer means
US3268772A (en) * 1963-03-26 1966-08-23 North American Aviation Inc Packaged electronic equipment
US3349288A (en) * 1964-04-07 1967-10-24 Siemens Ag Framework and connection system for removable electrical components
US3328646A (en) * 1965-01-26 1967-06-27 Bull General Electric Plug-in system for detachable elements

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678342A (en) * 1971-01-06 1972-07-18 Lucas Industries Ltd Mounting arrangement for a board which supports electrical conductors
US3934074A (en) * 1974-04-22 1976-01-20 Trw Inc. Ceramic circuit board mounted in housing and method of fabrication thereof
US4109299A (en) * 1976-08-30 1978-08-22 Rca Corporation Electrical connection between conductors on spaced plates
US4386390A (en) * 1981-01-21 1983-05-31 The Bendix Corporation Vibration adjustable spacer
US4412272A (en) * 1981-08-31 1983-10-25 General Dynamics, Pomona Division Flexible printed circuit card assembly
US4468718A (en) * 1982-04-13 1984-08-28 General Electric Company Enclosure and mounting member for printed circuit boards
US4596910A (en) * 1983-10-28 1986-06-24 Bbc Brown, Boveri & Company, Limited High-voltage circuit breaker
US4602316A (en) * 1985-03-29 1986-07-22 Rca Corporation Structure and method for interconnecting printed circuit boards

Also Published As

Publication number Publication date
DE1810675A1 (de) 1969-07-10
JPS4837185B1 (fi) 1973-11-09
FR1592858A (fi) 1970-05-19
DE1810675B2 (de) 1972-08-24
SE341207B (fi) 1971-12-20
GB1252256A (fi) 1971-11-03

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