Matches 1 - 20 out of 20


Match Document Document Title
US20130035025 CONTAINMENT HOOD  
A containment hood may include a first shell portion, a second shell portion and a lid portion. The first shell portion may include a first interior-facing surface. The second shell portion may be...
US20140080396 SYSTEM FOR DETECTING A POSITION OF A FUME HOOD SASH  
A method for determining a height of a sash opening formed by a movable sash in a fume hood. The method includes providing a laser device on the hood and providing a reflector on the sash. In...
US20090264060 RECIRCULATING EXHAUST SYSTEM  
Systems, devices and methods provide energy recover, modular systems to build and revise commercial kitchen services, closed circuit exhaust, and high efficiency capture and containment of fumes...
US20090061752 Autonomous Ventilation System  
An autonomous ventilation system includes a variable-speed exhaust fan, a controller, an exhaust hood, and an infrared radiation (“IR”) sensor. The exhaust fan removes air contaminants from an...
US20120289139 ROOM PRESSURE CONTROLLING SYSTEM  
A room pressure controlling system having a local exhaust valve, a supply air valve, a common exhaust air valve, controllers and a differential pressure sensor. The controller calculates a...
US20080113599 SAFETY WORKBENCH WITH BLOWER PERFORMANCE CONTROLLABLE DEPENDENT ON THE POSITION OF THE FRONT PANE  
A safety workbench includes a work chamber enclosed by a housing, including a work opening located in the housing front side and settable using an adjustable front pane to let in an external air...
US20070021046 Downdraft fume hood  
The present invention is a fume hood with a mechanism of air suction together with air supply to save energy while locally exhausting pernicious gases near a contaminant source.
US20080318509 SAFETY WORKBENCH AND METHOD FOR THE CALIBRATION THEREOF  
The present invention relates to a safety workbench, in which, for the purpose of calibrating the safety workbench before beginning regular operation, a device control unit is implemented to cause...
US20100216383 Sash operating device for fume hoods  
The invention is a sash operating device for a fume hood having a moveable sash. The sash operating device automatically closes the sash when a user is not near the sash for a predetermined period...
US20070026786 Variable source diameter stack system and method  
A fume exhaust stack system that includes an exhaust stack, at least one fume hood, a plurality of stack pieces, a retractable expander, a sensor, and a controller. The exhaust stack is coupled to...
US20080045132 Set And Forget Exhaust Controller  
A controller automatically determines drive signals by testing an exhaust system, either immediately after installation or at selected times thereafter, to determine the drive signal values that...
US20070015449 EXHAUST HOOD ENHANCED BY CONFIGURATION OF FLOW JETS  
An exhaust hood captures and contains a thermal plume with a minimum of exhaust air using low velocity exhaust with confinement jets and stabilization jets in various configurations that help to...
US20110244775 APPARATUS AND METHOD FOR CONTROLLING AND DIRECTING FLOW OF CONTAMINATED AIR TO FILTERS AND FOR MONITORING FILTER LOADING IN A BIOLOGICAL SAFETY CABINET  
An improved system and method for monitoring contamination loading of a filter in a biological safety cabinet comprising a housing defining a work chamber and a filtration chamber, a system for...
US20150017898 INTEGRATED WORKPIECE POSITIONING SYSTEM WITH INTEGRAL FUME EXTRACTION SYSTEM  
A workpiece positioning system integrated with a fume extraction device is provided. The system comprises a movable work surface assembly and a manifold. The work surface assembly includes a...
US20140273783 SASH POSITION DETERMINING SYSTEM  
A system for determining a sash panel position. An example system includes a linear array of light emitting elements spaced at equal distances from one another mounted on a fume hood frame. The...
US20100291850 Variable Volume Air-Flow Exhaust System  
Disclosed is a smart and adaptive laboratory hood or building exhaust air system and related methods of use.
US20110053483 EXHAUST APPARATUS, SYSTEM, AND METHOD FOR ENHANCED CAPTURE AND CONTAINMENT  
A ventilation exhaust intake device is located at ceiling level of a production space and has a low profile form with combination of vertical and horizontal jets. Recesses and other feature are...
US20170144201 Exhaust Apparatus, System, and Method for Enhanced Capture and Containment  
An exhaust system includes a ventilated ceiling component with multiple surfaces and recesses. Each recess has an exhaust intake, the recesses being distributed over an area of a ceiling that has...
US20170061630 SYSTEM FOR DETECTING A POSITION OF A FUME HOOD SASH  
A method for determining a height of a sash opening formed by a movable sash in a fume hood. The method includes providing a laser device on the hood and providing a reflector on the sash. In...
US20160252256 REAL-TIME CONTROL OF EXHAUST FLOW  
A flow control system for controlling exhaust flow can measure effluent escaping from the exhaust hood at a given flow rate. An interferometric detector can measure fluctuations in fluid...

Matches 1 - 20 out of 20