The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 01, 1979
Filed:
Mar. 16, 1977
Mihaly Wallenstein, Budapest, HU;
Patentbureau DANUBIA, Budapest, HU;
Abstract
A high-power, high-speed synchronous rotary electric machine having an airgap defined therein, includes a cylindrical rotor havng a shaft, slots defined in the rotor for receiving a rotor winding, subslots defined in the rotor in communication with the slots, a plurality of cooling channels defined in the slots in connection with the rotor winding and adjacently disposed along cylindrical surfaces coaxial with the shaft, first connecting means operative to interconnect adjacent channels to be in communication with each other, a second connecting means operative to interconnect the subslot to the channel disposed closest to the shaft, an inlet port defined in the rotor in communication with the channel disposed farthest from the shaft, and an outlet port defined in the rotor in communication with the airgap and disposed in an axial direction with respect to each other.