Heating, ventilation and air conditioning (HVAC) module for motor car, has check valve device with two check valves that are arranged in common framework, and extended over entire passage area of circulating air feed channel

摘要

The HVAC module (10) has a circulating air feed channel (18) linked with passenger space (32). A check valve device (20) has two natural or synthetic rubber made check valves that are arranged in a common framework, and extended over entire passage area of the circulating air feed channel. The check valves are operated by an actuator.