Inventor

GRAICHEN BRIAN M

US64 patents

⚠️ This page may combine multiple inventors who share the name “GRAICHEN BRIAN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GRAICHEN BRIAN M

FLETCHER DAVID E

Venturi device

Actuated valve

Actuated valve

Actuated valve

Magnetically actuated shut-off valve

Sprung gate valve

Low-cost evacuator for an engine having tuned Venturi gaps

Dual Venturi device

Restrictors using the Venturi effect

Vacuum producing device having a suction passageway and a discharge passageway entering through the same wall

Devices for producing vacuum using the venturi effect having a plurality of subpassageways and motive exits in the motive section

Devices for producing vacuum using the venturi effect

Aspirated relief valve for a turbocharging system

Crankcase ventilating evacuator

Bypass valve in an apparatus for producing vacuum

Venturi devices with dual Venturi flow paths

Sprung gate valves movable by a solenoid actuator

Aspirated relief valve for a turbocharging system

Actuated valve

Check valves and Venturi devices having the same

DAYCO IP HOLDINGS LLC

Solenoid-powered gate valve

Venturi device

Venturi device

Venturi device

Venturi device

Venturi devices with dual Venturi flow paths

Venturi device

Venturi device

Sprung gate valves movable by an actuator

Aspirators for producing vacuum using the venturi effect

Bypass check valve and Venturi having same

Sprung gate valves movable by an actuator

Check valves and venturi devices having the same

HAMPTON KEITH

Fluidic diode check valve

Noise attenuation in a check valve unit or apparatus for producing vacuum

Valve gate within a Venturi gap of a Venturi device for producing vacuum

Flow control for aspirators producing vacuum using the venturi effect

Magnetically actuated shut-off valve

Noise attenuation unit for engine systems

GRAICHEN BRIAN M

Evacuator with motive fin

Sprung gate valves movable by an actuator

Variable flow valve having metered flow orifice

Variable flow valve having metered flow orifice

Piston actuator controlling a valve and method for operating the same

FLETCHER DAVE

Diesel engine fluid coolant system having a solenoid-powered gate valve

Pneumatic compressor recirculation valve system for minimizing surge under boost during throttle closing

Pneumatic compressor recirculation valve system for minimizing surge under boost during throttle closing

MILLER JAMES H

Type font

FLETCHER DAVID

Turbocharger compressor recirculation system

NIEDERT ANDREW D

Bypass check valve and venturi devices having the same