Abstract:
A transmission fluid filter assembly (10) includes a filter media (24), a fluid discharge conduit (32) associated with the filter media (24), a magnetic particle trap (26), and a connector (34) arranged to lie under the filter media (24) and the magnetic particle trap (26). The connector (34) is adapted to be coupled to a filter mount (36) provided at an opening in a transmission pan (14) to support the filter media (24), fluid discharge conduit (32), and magnetic particle trap (26) in an interior region of a transmission pan (14) containing transmission fluid (16) to be filtered. The magnetic particle trap (26) attracts and retains particles of ferrous material to minimize discharge of such particles from the transmission pan (14) through the fluid discharge conduit (32).
Abstract:
A fuel reforming apparatus for reforming a fuel comprises a combustion device and a catalyst. The combustion device is configured to oxidize a portion of the fuel into H2O. The catalyst is configured to catalyze an endothermic reaction between the H2O and another portion of the fuel so as to produce a reformate gas. An associated method is disclosed.
Abstract:
An apparatus comprises an emissions trap and a trap regenerator fluidly coupled to the emissions trap to advance a regenerative agent thereto to regenerate the emissions trap. The trap regenerator is configured to change a concentration of the regenerative agent advanced to the emissions trap from a first trap-regenerating level to a second trap-regenerating level different from the first trap- regenerating level. An associated method is disclosed.
Abstract:
An apparatus comprises a component, a fuel reformer, and a reformer modulator. The fuel reformer is fluidly coupled to the component to supply reformate gas thereto and has a variable operating frequency. The reformer modulator is configured to modulate the operating frequency of the fuel reformer so as to promote maintenance of an operating parameter associated with the component at a predetermined setpoint. An associated method is disclosed.
Abstract:
A muffler assembly includes first and second muffler components (20,30) that are each formed as a single piece. The first muffler component (20) includes a first outlet pipe portion (22) , a first bypass pipe mount portion (26) , and a first resonator shell portion (24) . The second muffler component (30) includes a second output pipe portion (32) , a second bypass pipe mount portion (36) , and a second resonator shell portion (34) . The first and second muffler components (20,30) are positioned in an overlapping relationship such that respective portions are aligned with each other to form an outlet pipe (40) , a bypass pipe mount (44) , and a resonator shell (42) . A noise attenuation valve assembly (60) is also installed within the first and second muffler components (20,30) . The bypass pipe mount is positioned at a non-perpendicular orientation relative to the outlet pipe such that a bypass pipe having a straight end mount can be received within the bypass pipe mount to bypass the noise attenuation valve assembly.
Abstract:
An apparatus for controlling sound of an engine comprises a sound sensor, an exhaust valve, and a controller. The controller is configured to determine a sound level of a peak sound frequency within a predetermined sound frequency range by use of output from the sound sensor, compare the sound level of the peak sound frequency to a predetermined sound level, and change the position of the exhaust valve based on the comparison between the sound level of the peak sound frequency and the predetermined sound level. An associated method is disclosed.
Abstract:
An exhaust valve assembly includes a valve body supported on a shaft for rotation within an exhaust component. The shaft is coupled to a solenoid with a linkage assembly. A controller controls the solenoid to rotate the shaft via the linkage assembly. The solenoid includes a plunger that moves between an actuation position and a release position. The controller utilizes pulse width modulation to control actuation and release of the plunger. This significantly reduces operational noises generated as the solenoid is moved between the actuation position and the release position.
Abstract:
An apparatus comprises parallel first and second exhaust gas passageways, a urea injection system, a hydrolysis catalyst, and an SCR catalyst. The urea injection system is configured to inject urea into the first exhaust gas passageway. The hydrolysis catalyst is positioned in the first exhaust gas passageway to generate ammonia at least partially from urea injected into the first exhaust gas passageway by the urea injection system. The SCR catalyst is positioned downstream to reduce NOx with the generated ammonia. An associated method is disclosed.
Abstract:
A control mechanism for a noise attenuation valve in a vehicle exhaust system is configured to significantly reduce operational noises. The noise attenuation valve includes a flapper valve (18) that is supported on a shaft (16) for rotation within an inlet tube (14). The shaft is coupled to an actuator (27) with a linkage assembly (30). The linkage assembly (30) includes a lever (42) that contacts noise attenuation pads (48) at maximum travel limits defined by a backing plate (46) to reduce operational noise. In one example configuration, the actuator provides a bottomless solenoid configuration and utilizes a pulse width modulation control module to further reduce operational noises.
Abstract:
A catalytic converter comprises an outer tube, a pair of catalyzed substrates positioned in the outer tube, and a heat shield positioned in the outer tube between the catalyzed substrates. A method of assembling the catalytic converter is also disclosed.