I. C. SI Components Lecture

I. C. SI Components Lecture - Arr Cleaner Breafher Cap...

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Unformatted text preview: Arr Cleaner Breafher Cap Adjus‘rmen’r Rocker Arm Ch k 'I, So; {n} Valve Spring Chamber w ThloHle ' L (a) ave ui e i: (p) if“; R: d / ‘ 7 r (0) Wake (9) see” “'56” Manh‘old \ ’ Spark Plug (b Exhausl‘ r," w‘ ‘ )Menifold Combuslion (C)Ho+ Spa? Chamber Damper (1) Cam (u) Camshafl (I!) Wo‘re! Jackef Cylinder Block “U Connecllng Rod (i) Rifle Drilled O'll Gallery (k) Crankcase (U Crankpln (19) We? Llner [1!)Ccnnechng-Rod Bearing (m) Crankshaf‘l‘ (60M Pan for Oil Sump FIG. 1-10. Cross section of‘ overhead-valve four-stroke-cyclt? SI engine. Pushrod Valve guide \— Cam follower Lobe Cam Base circle Rocker arm 1 % Tappet Tappet clearance Spring washer Keeper 00 00k Outer spring 00 lnner {K spring Valve seat Valve-seat insen Valve head Figure L12 Poppetivalve nomenclature (Taylor, 1985). Figure 1-5 An overhead cam four-stroke engine. Notice that there are no pushrods, unlike the case in Fig. 1J1 and 1—2. Courtesy Suzuki Motor Co.. LTD. Air Cleaner Carburetor Camshait Rocker Arm Hydraulic Adjuster \ntake Valve Cam Sprocket Exhaust Vawe Pislon Connecting Rod Tlmlflg Belt I Taman Bolt Crankshait Tensxoner OH Pump Cramkqhait on pickup Sprocket FIGURE 1-4 Cutaway drawing of Chrysler 2.2-liter displacement four-cylinder spark-ignition engine.11 Bore 87.5 mm, stroke 92 mm, compression ratio 8.9, maximum power 65 kW at 5000 rev/min. Mgr—é ~ - ' ‘ I I-Jr.‘ I-I‘:_ ' j? H ‘ -.r,| lax—g1” i i i Z; ; tuiillfi‘ . [-1 ' :57 _.I."i'n.'I.L'- — ' ES; - ' 9T9; Ii F ,. ? FIGURE [-9 Crossksection drawings of General Motors 60 degree V~6 spark-ignition engine.” Displacement 2.8 liter, bore 89 mm, stroke 76 mm, compression ratio 8.5, maximum power 86 kW at 4800 revjmini Figure 1-3 1955 Chevrolet "small block" V8 [3-11ng with 265 in.‘ (4.34 L) displace— ment. The four—stroke cycle. spark ignition engine was cquippsd with 21 carburetor and overhead valves. Copyright General Motors Corp. used with permission. Figure 1-6 Chevrolet L'I‘4 V8. four—Stroke cycle, spark ignition engine with 5.7 liter displacement. 'l‘his fuci—injected, m-'crlwad valve, engine was an option in the, 1986 Corveue. Copyright General Motors Corp, used with permission. Figure 1-10 General Meters 7.4 liter L29, V8, four—stroke eyele. spark ignition. truck engine. Displacement is 454 in. 3 (7.44 L) with 425 in. here (10.80 em) and 4.00 in. stroke (10.16 cm). The engine has a maximum speed 01‘ 5000 RPM. with at cem— pressien ratio of 9.0:]. overhead valves: and niultipeint port l‘ttel injection. This engine was used in several models 01' 19% Chevrolet and CiMC trucks. C0]3_\.-'1'ight General Motors Corp, used with permission. Figure HS 1996 General Motors L67 3300 Scrics It spark igniiion, four-slmkc cycle, overhead valve, 3.8 liter. V6 engine. This supcrchargcd engine has two valves per cylinder and has power and torque ratings of 241} hp {179 kW) at 5200 RPM and 280 lbf-fl {330 N-m) at 3600 RPM. Copyright Gcncml Motors Corp, used with pcnuission. Figure 1-19 A 3.0L V6 automobile engine cutaway (Courtesy of Honda Motor 0).). Figure 1-20 A variable valve timing mechanism (Courtesy of Honda Motor Co.). Variable camshaft HORIZONTAL INTAKE SURFACE CHAIN CAM DRIVE WITH HYDRAULIC TENSIONERS ‘7 v (NOT SHOWN) 2 VALVE I ,,- ; ‘ ROLLER FINGER ~ -- i ~ " FOLLOWER VALVETRAIN ALUMINUM CYLINDER HEAD OPTIMIZED COMBUSTION CHAMBER FULLY INTERNAL COUNTER WEIGHTED CRANKSHAFT POWDERED METAL CRACKED RODS DEEP SKIRT BLOCK ...
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I. C. SI Components Lecture - Arr Cleaner Breafher Cap...

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