US 11,685,231 B2 · HVAC-module

Abstract

An HVAC module may include an air path through which air is flowable, an evaporator, and a heater. The evaporator and the heater may subdivide the air path into a main path and a side path. The main path may pass through the evaporator and the heater. The side path may branch off from the main path upstream of the evaporator and may open into the main path downstream of the heater. The side path may be fluidically connected to the main path between the evaporator and the heater. A first valve flap may be arranged in the air path and may be adjustable to a closed position and to an open position. A second valve flap may be arranged in the air path and may be adjustable to a first position, to a second position, and to a third position.

An HVAC module, comprising:

an air path through which air is flowable;
an evaporator arranged in the air path for cooling and dehumidifying the air;
a heater arranged in the air path for heating the air;
the evaporator and the heater subdividing the air path into a main path, which passes through the evaporator and the heater, and into a side path which extends fluidically parallel to the main path and passes the evaporator and the heater;
the side path branching off from the main path upstream of the evaporator and opening into the main path downstream of the heater;
the side path fluidically connected to the main path between the evaporator and the heater;
the side path including a first side path portion passing the evaporator and a second side path portion passing the heater;
a first valve flap arranged in the air path, the first valve flap adjustable to a closed position and to an open position such that:
when in the closed position, the air upstream of the evaporator is not flowable from the main path directly into the first side path portion;
and
when in the open position, the air upstream of the evaporator is flowable from the main path directly into the first side path portion;
a second valve flap arranged in the air path;
wherein the second valve flap is adjustable to a first position, to a second position, and to a third position such that:
when in the first position, the air is flowable directly from the first side path portion into a main path intermediate portion of the main path disposed between the evaporator and the heater, the air is not flowable directly from the first side path portion into the second side path portion, and the air is not flowable directly from the main path intermediate portion into the second side path portion;
when in the second position, the air is flowable from the main path intermediate portion directly into the second side path portion, the air is not flowable from the first side path portion directly into the main path intermediate portion, and the air is not flowable from the first side path portion directly into the second side path portion;
and
when in the third position, the air is flowable directly from the first side path portion into the second side path portion and the air is flowable directly from the main path intermediate portion into the second side path portion;
wherein the first valve flap is arranged in the air path between the main path and the first side path portion;
wherein the second valve flap is arranged in the air path at a junction of the first side path portion, the second side path portion, and the main path intermediate portion;
wherein the first valve flap includes a first end and a second end;
wherein when the first valve flap is in the closed position, the first end of the first valve flap contacts a housing at least partially delimiting the air path and the second end of the first valve flap contacts the evaporator;
and
wherein when the first valve flap is in the open position, the first end of the first valve flap contacts the housing and the second end of the first valve flap does not contact the evaporator.

20 more elements

HVAC-module

Life of this patent

HVAC-module

Life of this patent

Abstract

Claims18