| 摘要 |
513,757. Rotary regenerators. LINDEROTH, E. T. June 1, 1938, No. 16403. Convention date, June 3, 1937. [Class 64 (i)] In a rotary heat exchange apparatus of the kind comprising a rotary hollow cylinder, hollow cone or disc adapted to be rotated so that the peripheral velocity exceeds 1 meter per second, the length of the passages of flow for the air and gases counted in the direction of flow is at the most 5 per cent. of the external diameter of the rotor. Specifications 162,250, [Class 64 (i)], and 493,613 are referred to. |
