US 8,938,982 B2 · Air conditioning system having a gas sensor for a vehicle and a method for operating an air conditioning system of this type

Abstract

An air conditioning system for a vehicle and a method for operating the air conditioning system which at least has: an air conditioner having a fan, a recirculating air flap for setting a recirculating air operation or an external air operation, a gas sensor for measuring a gas concentration, in particular a CO2 concentration in a vehicle cabin, and outputting a measuring signal, and a control unit for receiving the measuring signal of the gas sensor, for setting a recirculating air position or an external air position of the recirculating air flap and for controlling the gas sensor, the control unit switching the gas sensor into different operating modes in recirculating air operation than in external air operation.

Claims17

Dependent claims

An air conditioning system for a vehicle, comprising:

an air conditioner having a fan;
a recirculating air flap to set a recirculating air operation or an external air operation;
a gas sensor to measure a CO2 gas concentration in a vehicle cabin, and to output a measuring signal;
and
a control unit to receive the measuring signal of the gas sensor, to set a recirculating air position or an external air position of the recirculating air flap, and to control the gas sensor, wherein the control unit is adapted to switch the gas sensor into a different operating mode in recirculating air operation than in external air operation.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

12/308,487Filed 23 Jul 2007

Priority

DE 10 2006 044 08320 Sep 2006

Published

US 2011/0036106 A117 Feb 2011

Granted

27 Jan 2015

Term ends

Not estimatedThe source records don’t support an estimate.

Classification6 codes

B60H 1/00849
Damper doors, e.g. position control: for selectively commanding the induction of outside or inside air
B60H 1/008
Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g.…
B60H 3/0085
Other air-treating devices: smell or pollution preventing arrangements
Y02T 10/88
Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies: optimized components or subsystems, e.g.…

Air conditioning system having a gas sensor for a vehicle and a method for operating an air conditioning system of this type

Life of this patent

Air conditioning system having a gas sensor for a vehicle and a method for operating an air conditioning system of this type

Life of this patent

Abstract

Claims17