Joints and connections – With distinct fluid or article handling or directing feature – Pressure fitting
Patent
1989-01-10
1991-10-01
Cuomo, Peter M.
Joints and connections
With distinct fluid or article handling or directing feature
Pressure fitting
403277, 74567, 29523, 298881, F16H 5300, B29P 1500
Patent
active
050528459
ABSTRACT:
For weight saving purposes and to make optimum use of the material there is provided a hollow shaft, to which drive elements such cams or end flanges are attached preferably by expanding the shaft in portions, made up of at least two layers including an outer layer, preferably produced of a material of a higher strength such as steel and an inner layer produced of a material of a lower strength, such as aluminum or titanium. If there are problems in achieving sufficiently secure fixing of the drive elements by expanding the hollow shaft in the regions to be expanded, it is possible to provide supporting rings which are deformed only plastically whereas the materials of the hollow shaft, as well as the drive elements themselves are deformed only elastically. The regions to be expanded are limited by seals on a pressure probe which is supplied with a pressurized fluid via a channel.
REFERENCES:
patent: 4231671 (1980-11-01), Makins, Jr.
patent: 4264229 (1981-04-01), Falk et al.
patent: 4456396 (1984-06-01), Damratowski
patent: 4597687 (1986-07-01), Cotas
patent: 4620454 (1986-11-01), Suginchi et al.
patent: 4708029 (1987-11-01), Urano
patent: 4745998 (1988-05-01), Stilin
patent: 4750250 (1988-06-01), Maus et al.
patent: 4867004 (1989-09-01), Swars
patent: 4875270 (1989-10-01), Krips et al.
patent: 4949683 (1990-08-01), Swars
Maus Wolfgang
Swars Helmut
Cuomo Peter M.
Emitec Gesellschaft fur Emissionstechnologie mbH
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