Vane assembly |
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| 申请号 | US3790317D | 申请日 | 1972-11-20 | 公开(公告)号 | US3790317A | 公开(公告)日 | 1974-02-05 |
| 申请人 | GEN MOTORS CORP; | 发明人 | HYDE A; LA FRAMBOISE L; | ||||
| 摘要 | A sintered metal vane hub and a vane blade formed of an epoxy and woven glass cloth laminate are assembled by die casting magnesium or injecting plastic into recesses on the hub and blade. The vane is shown in a semi-articulated vane pump used to inject air into the exhaust system of a vehicle engine. | ||||||
| 权利要求 | 1. A vane assembly for an air pump or the like comprising: a hub having a shaft-receiving opening extending axially therethrough and having an axially extending groove formed therein, a vane blade extending radially from said hub, said blade including a main blade portion remote from said hub and a blade-attaching tab portion adjacent said hub, the axial dimension of said tab portion being larger adjacent said hub than adjacent said main blade portion, and means molded about said hub and said blade and received in said groove and about said tab portion to retain said hub and said blade in an interlocked vane assembly. 2. The vane assembly of claim 1 wherein said molded means comprises die-cast magnesium. 3. The vane assembly of claim 1 wherein said hub is formed of a sintered metal. 4. The vane assembly of claim 1 wherein said vane is formed of a woven glass cloth and epoxy laminate. 5. A vane assembly for an air pump or the like comprising: a hub having a shaft receiving opening extending axially therethrough and having an axially extending groove formed therein, a vane blade extending radially from said hub, said blade including a main blade portion remote from said hub and a blade-attaching tab portion adjacent said hub, said tab portion having an opening extending transversely therethrough whereby the axial dimension of said tab portion is larger adjacent said hub than adjacent said main blade portion, and means molded about said hub and said blade-attaching tab portion and received in said groove and said opening to retain said hub and said blade in an interlocked vane assembly. 6. A vane assembly for an air pump or the like comprising: a hub having a shaft-receiving opening extending axially therethrough and having a groove extending axially along the side thereof, a vane blade extending radially from said hub, said blade including a main blade portion remote from said hub and a blade-attaching tab portion adjacent said hub, the axial dimension of said tab portion being larger adjacent said hub than adjacent said main blade portion to define an undercut region of said tab portion between said hub and said main blade portion, and means molded about said hub and said blade-attaching tab portion and received in said groove and said undercut region to retain said hub and said blade in an interlocked vane assembly. 7. A vane assembly for an air pump or the like comprising: a pair of axially spaced hubs each having a shaft-receiving opening extending axially therethrough and a groove extending axially along each side thereof, a vane blade extending radially from said hubs, said blade including a main blade portion remote from said hubs and a blade-attaching tab portion adjacent each of said hubs, one of said tab portions having both edges thereof tapered from said main blade portion toward its associated hub and the other of said tab portions having at least one edge thereof tapered from said main blade portion toward its associated hub wheReby the axial dimension of said tab portions is larger adjacent said hubs than adjacent said main blade portion to define undercut regions of said tab portions between said hubs and said main blade portion, and means molded about said hubs and said blade-attaching tab portions and received in said grooves and said undercut regions to retain said hubs and said blade in an interlocked vane assembly. |
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