Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 4194798 | Side channel compressor with at least one bearing arranged at the housing cover of the side channel compressor In a side channel compressor having a housing cover and a bearing arranged at the housing cover, the improvement wherein the compressor is further provided with a separate bearing cap which is fastened to the housing cover and within which is disposed the... | 03/25/1980 |
| 4179247 | Turbocharger having variable area turbine nozzles The invention provides a turbocharger for use with an internal combustion engine and includes a compressor for supplying air to the engine and a turbine for receiving driving exhaust gas from the engine. The turbine has a shaft integrally attached thereto... | 12/18/1979 |
| 4177048 | Bearing breather desiccant device A desiccant device for preventing rotor bearings from rusting during nonuse is described which removes moisture from the air supplied to such bearings. The air supplied to the bearings is first transmitted through the desiccant device by connecting such d... | 12/04/1979 |
| 4167295 | Magnetic thrust force relief for a foil bearing turbomachine A foil bearing turbomachine including magnetic relief of the thrust forces and static friction imposed on the foil thrust bearing during start up of the turbomachine.... | 09/11/1979 |
| 4128364 | Radial flow fan with motor cooling and resilient support of rotor shaft A radial flow fan of short axial length and large radial dimensions and of the type having the drive motor arranged coaxially with respect to the fan wheel and at least partly inside of the fan wheel. The housing for the fan wheel and motor includes a fla... | 12/05/1978 |
| 4076452 | Gas turbine plant A stationary gas turbine plant in which a bearing for the bladed rotor is located at the exhaust end of the casing where the flow passage for the exhaust gas merges into an annular diffusor ring surrounding the bearing housing and which is established by ... | 02/28/1978 |
| 4064403 | Rim-type hydroelectric machine The disclosure concerns a hydroelectric machine including a tube-type hydraulic machine having a bladed wheel which carries adjustable blades, rotates about a horizontal axis and is connected with a shaft which extends into a guide blade lattice hub, and ... | 12/20/1977 |
| 4032262 | Housing arrangement for a two-stage exhaust-gas turbocharger In a two-stage exhaust-gas turbocharger the shafts for each stage are disposed in laterally spaced, parallel relation. The exhaust-gas turbine of each stage is arranged within the same housing which can be a common housing or a twin housing with the housi... | 06/28/1977 |
