Damper Arrangement TRIZ Cases

See how a check valve built into the burner duct prevents exhaust gas backflow and enables prop

See how an asymmetric tilted housing eliminates custom bases for sloping roofs while curved bla

See how a vent proving system uses temperature sensing and damper control to detect and prevent

See how a linear slide damper replaces rotary designs to reduce mounting height, eliminate flow

A sensor and controller detect reverse vent flow in gas-fired appliances and shut the burner down before combustion products spill indoors.

Pressurized gas in a surrounding seal space helps a metal damper isolate process sections under high heat and heavy dust loading.

A pivoted flap leaf slides along the sealing face to scrape off tar deposits, keeping exhaust-gas shut-off valves tight and easy to open.

Uneven primary air distribution in an oval radiant tube burner suppresses NOx while preserving heat transfer and a compact structure.

A heat-resistant flexible flue damper uses pressure-driven opening and closing to block backflow, cut noise, and avoid motors or sensors.

An oval radiant tube burner uses staged air injection and adjusted primary-air flow to reduce NOx without fans or catalysts.