Vehicle gear box in particular for heavy and special vehicles
First Claim
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1. A gear case for trucks and the like comprising the combination offirst and second substantially parallel, spaced-apart, sheet-metal, inner side walls;
- first and second substantially parallel, sheet-metal, outer side walls spaced from said inner side walls, said outer side walls enclosing said inner side walls, thereby defining lubricant containers therebetween;
top and bottom walls and third and fourth side walls attached to said inner walls to define an interior volume;
a plurality of interengaged gear wheels and a plurality of gear shafts carrying said wheels in said interior volume;
a plurality of bushings arranged in pairs on opposite sides of said interior volume to rotatably receive ends of said gear shafts extending across said interior volume, each said bushing being fixedly attached to and extending between an inner and outer side wall to support said shafts and to rigidly interconnect said spaced inner and outer side walls; and
means on said first and second inner side walls defining injection elements for delivering oil from said lubricant containers onto said gear wheels in said interior volume to lubricate said gear wheels.
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Abstract
Method for lubricating vehicle gears, characterized in that the lubricating oil is injected directly into the areas to be lubricated by means of a plurality of injection elements (43) and the consumed oil is returned to said injection elements by means of a closed circuit (35, 37, 40, 43, 45, 47, 49), where defoaming and preparation takes place.
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Citations
4 Claims
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1. A gear case for trucks and the like comprising the combination of
first and second substantially parallel, spaced-apart, sheet-metal, inner side walls; -
first and second substantially parallel, sheet-metal, outer side walls spaced from said inner side walls, said outer side walls enclosing said inner side walls, thereby defining lubricant containers therebetween; top and bottom walls and third and fourth side walls attached to said inner walls to define an interior volume; a plurality of interengaged gear wheels and a plurality of gear shafts carrying said wheels in said interior volume; a plurality of bushings arranged in pairs on opposite sides of said interior volume to rotatably receive ends of said gear shafts extending across said interior volume, each said bushing being fixedly attached to and extending between an inner and outer side wall to support said shafts and to rigidly interconnect said spaced inner and outer side walls; and means on said first and second inner side walls defining injection elements for delivering oil from said lubricant containers onto said gear wheels in said interior volume to lubricate said gear wheels. - View Dependent Claims (2, 3, 4)
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Specification