公开(公告)号：US06616060B2

公开(公告)日：2003-09-09

申请号：US10122980

申请日：2002-04-15

申请人： Mark Joseph Parisi ,  Gerald M. Goupil, Jr. ,  Stephan Michael Vetter

发明人： Mark Joseph Parisi ,  Gerald M. Goupil, Jr. ,  Stephan Michael Vetter

IPC分类号： B60H102

CPC分类号： B60H1/00692 ,  B60H2001/00728

摘要： An HVAC system including a housing, an evaporator assembly, a heater core assembly, an air inlet assembly, a fan assembly, and a film valve assembly including first and second rollers, wherein each roller includes a biasing member with a constant force urging the biasing members to rotate and the biasing members are biased in opposite directions.