Matches 1 - 42 out of 42


Match Document Document Title
8915295 Method of adaptive control of a bypass damper in a zoned HVAC system  
A zoned HVAC system comprises an HVAC unit including a climate control system and an air mover. In addition, the system comprises a supply air duct in fluid communication with the outlet of the...
8671669 Exhaust gas cooler for a motor vehicle  
An exhaust-gas cooler for a motor vehicle is provided that includes a flow path which can be traversed by exhaust gas of an internal combustion engine and which has an inlet region and an outlet...
8056231 Method of constructing heat exchanger with snap-in baffle insert  
An insert snaps into position in a manifold of a fluid device to perform a baffling function. The insert includes a cradle having a base portion and opposed spring fingers for retaining the insert...
7836945 Method for controlling a valve for an exhaust system  
An exhaust gas heat exchanger system of a combustion engine has a bypass duct and a heat exchanger duct with a heat exchanger. A valve is controlled by determining when heat is to be transferred...
7828014 Self-riveting flapper valves  
A rivet-type flapper valve assembly for a fluid device has a main body part defining a valve orifice communicating with the fluid device. The main body part includes a pin or shaft of a rivet...
7735520 Tubular flapper valves  
Disclosed is a bypass valve assembly for a fluid device, such as a heat exchanger having an inlet and an outlet. The assembly defines a bypass passage communicating with the inlet at one end. A...
7644732 Slide-in flapper valves  
A flapper valve assembly attaches to a fluid device, such as a heat exchanger and has a fluid port in communication with the fluid device to provide by-pass flow in cold flow or pressure spike...
7353865 Method for controlling a valve for an exhaust system  
An exhaust gas heat exchanger system of a combustion engine has a bypass duct and a heat exchanger duct with a heat exchanger. A valve is controlled by determining when heat is to be transferred...
7318451 Flapper valves with spring tabs  
A flapper valve assembly has a valve plate for attachment to a fluid device, such as a heat exchanger. The valve plate has a fluid port for permitting intermittent flow to or from a flow chamber...
7306030 Snap-in baffle insert for fluid devices  
An insert snaps into position in a manifold of a fluid device to perform a baffling function. The insert includes a cradle having a base portion and opposed spring fingers for retaining the insert...
7261151 Suction line heat exchanger for CO2 cooling system  
A heat exchanger including a suction line for gaseous or two phase refrigerant output from an evaporator and a capillary tube carrying cooled refrigerant to the evaporator. The suction line...
7222641 Snap-in flapper valve assembly  
A flapper valve snaps into position in an inlet or outlet manifold of a heat exchanger to provide by-pass flow in cold flow or pressure spike conditions. The flapper valve includes a cradle having...
6942027 Exhaust-gas heat recovery appliance  
An exhaust-gas heat recovery appliance having a heat-exchanger line and a bypass line and a heat exchanger being arranged in the region of the heat-exchanger line. At least one valve device, for...
6905792 Cooling system and cooling process of fuel cell  
The present invention provides a cooling system of fuel cell, which solves the gas biting noise problem by trapping bubble in a coolant, gives protection to a stack (MEA) and the membrane of a...
6167956 Aftercooler having bypass passage integrally formed therewith  
An aftercooler for cooling a compressed fluid exiting from a compressor, the aftercooler including a radiator unit for receiving the compressed fluid exiting from the compressor and for cooling...
6085834 Air handling system  
An air handling system for heating, ventilating and air-conditioning systems to provide a variable air flow between an air treatment section and an air bypass section includes selectively sliding...
5979548 Heat exchanger having heat exchange tubes with angled heat-exchange performance-improving indentations  
Disclosed is a heat exchange tube having angled heat-exchange performance-improving indentations on the tube. These angled performance-improving indentations increase the amount of heat...
5950589 Disk-type oil cooler and method of making same  
An installation of a pressure control valve provided for cold start in disk-type oil coolers is disclosed. The valve is provided with a valve housing which can be fitted directly into a connection...
5927399 Aftercooler with integral bypass line  
An aftercooler apparatus condenses vapor in untreated gas discharged from a compressor of a gas drying system. The apparatus includes a radiator, a bypass line and a bypass valve. The radiator...
5890509 Hydraulic temperature compensated cooler bypass control for an automatic transmission  
A cooler bypass valve, located in a hydraulic circuit between the discharge side of a torque converter and lubrication circuit, includes a valve spool urged by feedback pressure acting in...
5794575 Coolant circuit for motor vehicles  
The invention relates to a method of controlling the flow-rate distribution in the coolant circuit for motor vehicles and, further, to an apparatus for carrying out this method. A throttling...
5787977 Heat exchanger  
First and second communicating holes are formed in a first formed plate 11, and first and second communicating holes are also formed in a second formed plate 12. The first and second formed plates...
5762134 Hydraulic temperature compensated cooler bypass control for an automatic transmission  
A cooler bypass valve, located in a hydraulic circuit between the discharge side of a torque converter and lubrication circuit, includes a valve spool urged by feedback pressure acting in...
5566881 Automotive hot-water Heating apparatus  
According to the present invention, a hot water type heating apparatus includes a heat exchanger and a flow quantity control valve which controls a quantity of hot water to the heat exchanger. The...
5184773 Pressure regulating heater control valve  
A pressure relief function is incorporated into a proportional solenoid controlled heater valve for an automobile heater. One of two internal valve seats is spring-biased against an internal...
4878514 Heater control valve with flexible deflector  
A heater control valve comprising: a valve body defining a chamber and a bypass passage extending therefrom. A first conduit in fluid communication with the bypass passage for defining a first...
4874010 Heater control valve  
A heater control valve comprising: a valve body defining a chamber and a bypass passage extending therefrom. A first conduit in fluid communication with the bypass passage for defining a first...
4570849 Fan drive, particularly for cooling installation of vehicles  
Disclosed is a fan drive, in particular one for cooling installations of rail vehicles. The fan drive comprises a hydraulic motor and a control valve which regulates a bypass as a function of...
4361170 Butterfly bypass valve  
A passenger vehicle heater core fluid flow system and bypass valve (10) therefor is disclosed having a butterfly valve member (24) rotatably mounted in a primary fluid passageway (14) and...
4318367 Energy recovery device  
An energy recovery device can be installed in the exhaust of heat producing equipment. The device includes a conduit having a main and bypass chamber. Also included are fluid conducting coils...
4265093 Evaporator feed and control system  
An evaporator feed and control system maintains a relatively high level of stability over a wide range of varying loads. The evaporator system includes a first evaporator having a multiple pass...
4061132 Control valve means particularly adapted for swimming pool heater installations embodying a solar heater  
A five-way valve embodying a cylindrical body with valve seats and cooperating valve discs operable by a stem and having associated inlet and outlet ports. The stem is actuatable by pistons in the...
3840175 BY-PASS VALVE ASSEMBLY FOR POOL TYPE HEATER  
In a pool-type heater, a by-pass passageway around the heat exchanger includes a valve of the flexible disc type under closing pressure against the valve seat, which valve is responsive to...
3729051 PROCESS FLUID FLOW REGULATION SYSTEMS  
A flow regulation unit and system for regulating the flow of chilled water, hot water, or other incompressible process fluid to a series of utilization stations having common feeder and return...
3420293 TUBULAR HEAT EXCHANGER WITH THERMOSTATIC VALVE  
3367409 Liquid sterilization treatment plant  
3176920 Fluid operated pump  
3176759 Air conditioning systems  
3134366 Flow regulator for a heater  
2930594 Personal thermal devices  
2896919 Oil cooler emergency by-pass valve  
2809714 De-icer for water separator controlled by pressure drop  

Matches 1 - 42 out of 42