US3903404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computer construction and method
Assignee: Fujitsu IT Holdings Inc
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Filing: 1973-10-17
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Granted: 1975-09-02
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Expires: 1993-10-17
Abstract
Abstract Computer construction having a framework with a planar power buss mounted in the framework and having holes therein with printed circuit cards mounted on both sides of the power buss and positioned near the holes with very short interconnecting wiring for the printed circuit cards extending through the holes. Separate voltage and ground planes are provided in the power buss. A push-pull cooling system is provided for the printed circuit cards.
Inventors
- 👤 Robert J Beall
- 👤 Fred K Buelow
- 👤 John J Zasio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:59
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/20; H05K7/20709; H05K7/20718; H05K7/20736; G; G06; G06F; G06F1/00; G06F1/16; G06F1/18; G06F1/20; H05K7/18
Claims Analysis
Total Claims: 39
Claim 1
Independent Claim
110 words
In a computer construction, a framework, a power buss mounted in the framework, said power buss being in the form of a rigid laminated structure having a first plate of conducting material serving as a voltage plate and a second plate of a conducting material serving as a ground plate and insulating means disposed between said first and second plates, said laminated structure being formed with holes extending therethrough, printed circuit cards mounted on each side of said power buss and being supported thereby, said printed circuit cards being electrically connected to the voltage and ground plates and cabling means extending through said holes and interconnecting said printed circuit cards.
Claim 2
Dependent Claim
110 words
In a computer construction, a framework, a power buss mounted in the framework, said power buss being in the form of a rigid laminated structure having a first plate of conducting material serving as a voltage plate and a second plate of a conducting material serving as a ground plate and insulating means disposed between said first and second plates, said laminated structure being formed with holes extending therethrough, printed circuit cards mounted on each side of said power buss and being supported thereby, said printed circuit cards being electrically connected to the voltage and ground plates and cabling means extending through said holes and interconnecting said printed circuit cards.
Claim 3
Dependent Claim
63 words
A computer construction as in claim 1 wherein said printed circuit cards are mounted on said power buss so that the cards lie in planes which are generally parallel to the planes of the voltage and ground plates together with stand-off means mounted on the power buss and on the printed circuit cards for spacing the printed circuit cards from the power buss.
Claim 4
Dependent Claim
49 words
A computer construction as in claim 2 wherein said stand-off means are in the form of voltage and ground posts and wherein said voltage posts are electrically connected to and mounted on said voltage plates and said ground posts are electrically connected to and mounted on said ground plate.
Claim 5
Dependent Claim
66 words
A computer construction as in claim 3 wherein said voltage and ground posts are provided on both sides of the power buss and wherein the voltage posts are mounted on the power buss so they are only in electrical contact with the voltage plate and wherein the ground posts are mounted on the ground plate so they are only in electrical contact with the ground plate.
Claim 6
Dependent Claim
77 words
A computer construction as in claim 4 wherein openings are formed for the voltage posts in the ground plate and the insulating material so that the voltage posts mounted upon the voltage plate are electrically isolated from the ground plate and wherein openings are formed in the voltage plate and the means insulating the voltage plate from the ground plate so that the ground posts mounted upon the ground plate are electrically isolated from the voltage plate.
Claim 7
Dependent Claim
21 words
A computer construction as in claim 3 wherein a plurality of voltage posts and ground posts are provided for each card.
Claim 8
Dependent Claim
26 words
A computer construction as in claim 3 wherein the voltage posts and the ground posts extend outwardly from the power buss at substantially right angles thereto.
Claim 9
Dependent Claim
21 words
A computer construction as in claim 1 together with connectors mounted on said cards and connected to the circuitry carried thereby.
Claim 10
Dependent Claim
74 words
A computer construction as in claim 8 together with a plurality of supplemental printed circuit cards and a connector mounted on each of the plurality of the first named and additional printed circuit cards, and means carried by the first named printed circuit card for making connection between the connectors carried by the plurality of the supplemental printed circuit cards and the connectors carried by the plurality of the first named printed circuit cards.
Claim 11
Dependent Claim
39 words
A computer construction as in claim 9 together with a terminal bOard mounted on each of said plurality of supplemental cards, and plugs mounted in said terminal cards and making contact to said plurality of supplemental printed circuit cards.
Claim 12
Dependent Claim
63 words
A computer construction as in claim 10 together with input/output cards, terminal boards carried by the input/output cards, plugs mounted in said terminal boards carried by the input/output cards and making electrical contact to the input/output cards and cabling interconnecting the plugs carried by the terminal boards of the supplemental cards and the plugs carried by the terminal boards of the input/output cards.
Claim 13
Dependent Claim
42 words
A computer construction as in claim 11 together with means for mounting said input/output cards in said framework so that they lie in generally horizontal planes and are inclined at an angle with the respect to the plane of the power buss.
Claim 14
Dependent Claim
62 words
A computer construction as in claim 12 wherein said means for mounting said input/output cards includes a framework having slots therein extending in a generally horizontal direction, said input/output printed circuit cards being mounted in said slots, said input/output cards having connectors mounted thereon, and means for causing said connectors carried by said input/output printed circuit boards to mate with each other.
Claim 15
Dependent Claim
43 words
A computer construction as in claim 13 wherein said means for causing said connectors to mate with each other includes strips extending longitudinally of the slots in the framework and jack screw means carried by the input/output cards threaded into said vertical members.
Claim 16
Dependent Claim
55 words
A computer construction as in claim 3 wherein said ground posts and said voltage posts are provided with slots therein extending longitudinally of the posts, said supplemental printed circuit cards being slidably mounted in said slots and generally extending in a direction at right angles to the plane of the first named printed circuit cards.
Claim 17
Dependent Claim
43 words
A computer construction as in claim 15 together with jack screw means carried by the first named printed circuit cards for making and breaking the connections between the connectors carried by the supplemental printed circuit cards and the first named printed circuit cards.
Claim 18
Dependent Claim
50 words
A computer construction as in claim 15 wherein at least one of said posts is provided with notches opening into said slots to permit at least one side of the supplemental circuit card carried by the slots in the posts can be removed from the slot in said one post.
Claim 19
Dependent Claim
44 words
A computer construction as in claim 3 wherein said ground and voltage posts and said first named printed circuit cards carry cooperative means to only permit placement of the first named printed circuit cards on the ground and voltage posts in one predetermined arrangement.
Claim 20
Dependent Claim
38 words
A computer construction as in claim 1 wherein said first named printed circuit cards are arranged in rows together with means for forming cooling channels over said rows and means for forcing cooling air through said cooling channels.
Claim 21
Dependent Claim
46 words
A computer construction as in claim 19 wherein said means for forcing cooling air through said cooling channels includes fan means for pushing cooling air through said channels in one direction and additional fan means for pulling cooling air through said channels in the same direction.
Claim 22
Dependent Claim
44 words
A computer construction as in claim 20 wherein said cooling channels are vertically disposed and said first named fan means located at the lower extremities of said cooling channels and said additional fan means is located at the upper extremities of said cooling channels.
Claim 23
Dependent Claim
54 words
A computer construction as in claim 19 wherein said means for mounting said first named printed circuit cards includes means whereby the first named printed circuit cards can be removed and inserted individually without impeding the flow of cooling air through the cooling channel in which the first named printed circuit card is mounted.
Claim 24
Dependent Claim
64 words
A computer construction as in claim 1 together with power supply means for supplying power to the power buss, means for suppLying cooling air to the power supply means and means for directing the cooling air after it is passed through the power supply means away from the printed circuit cards so that it will not come into contact with the printed circuit cards.
Claim 25
Dependent Claim
68 words
In a computer construction, a framework, a plurality of printed circuit cards having devices mounted thereon and being mounted on said framework in a row, cover means overlying said printed circuit cards and in conjunction with said printed circuit cards forming a channel for the flow of cooling air and means for introducing cooling air through the channel to cool the devices carried by the printed circuit cards.
Claim 26
Dependent Claim
68 words
In a computer construction, a framework, a plurality of printed circuit cards having devices mounted thereon and being mounted on said framework in a row, cover means overlying said printed circuit cards and in conjunction with said printed circuit cards forming a channel for the flow of cooling air and means for introducing cooling air through the channel to cool the devices carried by the printed circuit cards.
Claim 27
Dependent Claim
54 words
A computer construction as in claim 24 wherein said means for causing cooling air to pass through said cooling channel includes first and second fans with one of the fans pushing the cooling air through one end of the channel and the other fan pulling the air through the other end of the channel.
Claim 28
Dependent Claim
26 words
A computer construction as in claim 25 together with air straightening means in the channel to cause substantially uniform distribution of air flow through the channel.
Claim 29
Dependent Claim
86 words
A computer construction as in claim 24 wherein each of said printed circuit cards is substantially planar and is provided with a separate cover mounted thereon, said covers being substantially U-shaped so that the cover in combination with the printed circuit card forms a printed circuit card assembly, and wherein each of said printed circuit card assemblies forms a portion of a channel having open ends so that a plurality of said printed circuit card assemblies can be arranged to form said channel for cooling air.
Claim 30
Dependent Claim
46 words
A computer construction as in claim 27 together with transition assemblies mounted on opposite ends of said printed circuit card assemblies and having a flow passage therein for forming an interconnection between said printed circuit card assemblies so that said channel for cooling air is continuous.
Claim 31
Dependent Claim
29 words
A computer construction as in claim 28 wherein the printed circuit card assemblies and the transition assemblies are arranged so that the channel for cooling air is substantially vertical.
Claim 32
Dependent Claim
48 words
A computer construction as in claim 24 together with power supply means for supplying power to said printed circuit cards, means for introducing cooling air through the power supply means, and means for deflecting the air passing from the power supply means away from the printed circuit cards.
Claim 33
Dependent Claim
37 words
A computer construction as in claim 27 together with a power buss mounted in said framework and wherein said printed circuit card assemblies and said transition assemblies are mounted upon and are carried by said power buss.
Claim 34
Dependent Claim
51 words
A computer construction as in claim 31 wherein said power buss is comprised of a voltage plate and a ground plate and insulating means separating said voltage plate and said ground plate and wherein said printed circuit card assemblies are electrically connected to the ground plate and to the voltage plate.
Claim 35
Dependent Claim
22 words
A computer construction as in claim 32 wherein the ground plate has a resistivity substantially less than that of the voltage plate.
Claim 36
Dependent Claim
22 words
A computer construction as in claim 32 wherein said printed circuit card assemblies are mounted on opposite sides of the power buss.
Claim 37
Dependent Claim
71 words
In a method for cooling a computer utilizing printed circuit cards having devices mounted thereon, mounting the printed circuit cards in a plurality of spaced rows, forming cooling channels over the spaced rows of printed circuit cards, forcing cooling air under pressure through one end of the cooling channel and moving air under pressure from the other end of the cooling channel to thereby provide pushpull cooling in the cooling channel.
Claim 38
Dependent Claim
71 words
In a method for cooling a computer utilizing printed circuit cards having devices mounted thereon, mounting the printed circuit cards in a plurality of spaced rows, forming cooling channels over the spaced rows of printed circuit cards, forcing cooling air under pressure through one end of the cooling channel and moving air under pressure from the other end of the cooling channel to thereby provide pushpull cooling in the cooling channel.
Claim 39
Dependent Claim
49 words
A method as in claim 36 together with the step of providing a power supply for supplying power to the printed circuit cards and supplying cooling air to the power supply and maintaining the air passing through the power supply out of contact with the printed circuit cards. >
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-01 | 1979-03-03 | 1979-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-01 | 1983-03-03 | 1983-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-01 | 1987-03-03 | 1987-09-02 | $7700.00 | Window Closed / Lapsed |