초록 ▼

An integral false ceiling for a refrigerated vehicle body using a sealed ductwork, flow restriction and bleed means to provide selective transmission of refrigerated air to one or more cargo compartments in the vehicle body and return of air to an air conditioning unit, enhancing temperature control

An integral false ceiling for a refrigerated vehicle body using a sealed ductwork, flow restriction and bleed means to provide selective transmission of refrigerated air to one or more cargo compartments in the vehicle body and return of air to an air conditioning unit, enhancing temperature control and minimizing intrusion into the cargo compartments.

대표청구항 ▼

Air conditioning means and duct means for a trailer having divided temperature controlled first and second thermally separate compartments comprising at the first compartment an air conditioner and substantially enclosed overhead duct directly connected with the air conditioner, said duct having a b

Air conditioning means and duct means for a trailer having divided temperature controlled first and second thermally separate compartments comprising at the first compartment an air conditioner and substantially enclosed overhead duct directly connected with the air conditioner, said duct having a bottom wall and first and second portions extending respectively into both compartments and having an opening in the second compartment; flow restricting means in the first portion of the duct in the first compartment, temperature control means in one compartment, said flow restricting means in the duct connecting with the temperature control means and openable and closable thereby in response to temperature changes in the compartment; bleed air means in the duct to permit exiting of air from the duct into the first compartment, and said bleed air means being adjustable to incrementally allow flow of temperature conditioned air from the duct into the first compartment; said bleed air means comprising a valve means in the bottom wall of the duct; said valve means including a sliding member mechanically adjustable to increase and decrease the opening for venting temperature controlled air into the first compartment.