Paige Dodd. Honda. October 19th , 2017.
The Honda Odyssey new direct-injection system enables increased torque across the engine full operating range along with higher fuel efficiency. The system features a compact, high-pressure, direct-injection pump that allows both high fuel flow and pulsation suppression, while variable pressure control optimizes injector operation. A multi-hole injector delivers fuel directly into each cylinder (not to the intake port, as in the previous generation Odyssey), allowing for more efficient combustion. The multi-hole injectors can create the ideal stoichiometric fuel/air mixture in the cylinders for good emissions control. Theoretically, a stoichiometric mixture has just enough air to completely burn the available fuel. Based on the operating conditions, the direct-injection system alters its function for best performance. Upon cold engine startup, fuel is injected into the cylinders on the compression stroke. This creates a weak stratified charge effect that improves engine start-up and reduces exhaust emissions before a normal operating temperature is reached.
To provide extra sound insulation by blocking off hollow pillars, acoustic spray foam is applied in 14 locations in the Odyssey body for the first time in Honda history. The areas include the base of the A-, B-, C- and D-pillars, as well as the base of the windshield frame and at the top of the C- and D-pillars. In addition, acoustic tape is applied at base of the A-, B- and C-pillars, and a foam stopper is applied to the bottom of the B-pillar. Altogether, the use of these body sealing techniques results in a 55-percent reduction in body leaks, which significantly reduces noise entering the cabin in critical sections. All foam and acoustic tape application is done while the unit-body is in its just manufactured "body-in-white" form - before attachment of key components and assemblies.
The new Odyssey makes widespread use of structural adhesives in the unit-body, supplementing structural welds and significantly increasing rigidity without the additional mass of steel components. Structural adhesives are used at the roof edges and around the moonroof opening, in the front floor and cowl area, in the A- and B-pillars, around the front suspension upper mounts, and extensively throughout the rear of the body. Applied before the body panels are welded together, some 147.6 feet of adhesives (32.8 ft. more than in the previous Odyssey generation) account for approximately 3.5 percent of the entire unit-body stiffness.
All Odyssey trims through Touring have 5.0 mm tempered front door glass while Elite adds 4.8 mm acoustic laminated front door glass and 4.3 mm acoustic laminated rear door glass. All Odyssey trims utilize 3.5 mm rear quarter window glass and 3.5 mm tailgate glass. In addition, the available power moonroof uses 3.5mm dark gray privacy glass. The Odyssey Elite includes rain-sensing wipers that automatically activate if water is detected on the windshield. Designed to cover the maximum possible windshield area, the left (driver) and right (front passenger) windshield wipers are 25.6 inches and 22.6 inches long, respectively. They also feature breakaway wiper pivots to mitigate the potential for injury in the event of a pedestrian collision. The rear wiper is 15.7 inches long.
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