Advanced Vehicle Technology Episode 1 Part 1 ppsx

... becomes violent. 10 .10 Hydropneumatic automatic height correction suspension (Citroen) (Figs 10 .70, 10 . 71 and 10 .72) The front suspension may be either a MacPherson strut (Fig. 10 .70) or a transverse ... front and rear height correction valves. Spring unit (Fig. 10 . 71( a)) The suspension spring units (Fig. 10 . 71( a)) comprise two main parts; 1 a steel spherical canister co...

Ngày tải lên: 21/07/2014, 17:20

... bearings = 0.0 01 Cylindrical roller bearing = 0.0 011 Thrustball bearings = 0.0 013 Single row deep grooveball bearings = 0.0 015 Taper and spherical roller bearings = 0.0 018 6 .1. 10 Ball and roller ... 3 ÂLR Low range 7 OGR  LS Â CM 1 ÂHR 8 OGR  HS ÂCM 1 ÂHR 9 OGR  LS Â CM 2ÂHR 10 OGR  HS ÂCM 2ÂHR 11 OGR  LS Â CM 3ÂHR 12 OGR  HS ÂCM 3ÂHR High range 19 2 Note The l...

Ngày tải lên: 21/07/2014, 17:20

... third differential 253 Woven asbestos 41 Yaw 14 , 16 Yaw rotation 14 , 16 Yaw angle 624, 625, 626 Yoke 213 , 215 , 225 Zig-zag tyre tread pattern 282, 284 ZF AS Tronic 18 7 ZF Man Tip Matic 18 7 ZF Servotronic power ... quadrant moulding 6 31, 632 Effective inclination angle 615 , 616 Fastback drag 612 , 614 Flow reattachment 590, 594 Fineness ratio 5 91, 592 Flow separation 589 Fo...

Ngày tải lên: 21/07/2014, 17:20

... 17 6 Planet carrier 11 7 12 2, 13 4 13 6, 15 1, 15 3, 15 5 15 7 Planet gears 11 7 12 2, 13 4 13 6, 15 1, 15 3, 15 5 15 7 Planetary gears 11 9, 12 0, 13 5, 15 6, 15 7 Pump-internal gear crescent type 17 1, 17 5 selector position ... mounted transmission 11 7 Hydraulic control sytem 12 3 Lock-up control valve 13 4 lubrication pressure valve LPV 17 2, 17 5, 17 6 One-way c...

Ngày tải lên: 21/07/2014, 17:20

... the braking power. 12 .3 .12 Hand control valve (Fig. 12 .17 (a and b)) Purpose These valves are used to regulate the secondary brake system on both the towing tractor Fig. 12 .17 (a and b) Hand control ... delivery line mounted unloader valve (Figs 12 .10 and 12 .11 ) or an integral compressor unloader mechanism con- trolled by an external governor valve (Fig. 12 .9). A further feature...

Ngày tải lên: 21/07/2014, 17:20

... usually achieved t c 0.2 m 1. 8 m (a) (b) 1. 0 0.8 0.6 0.4 0.2 0.0 0.8 0.9 1. 0 1. 1 1. 2 1. 3 1. 4 1. 5 Drag coefficient ( ) C D t c / Trailer to cab height step ratio= c t Fig. 14 .53 Influence of cab to ... body roof is of great importance. 14 .8 Commercial vehicle drag reducing devices 14 .8 .1 Cab roof deflectors (Figs 14 .54(a and b), 14 .55(a and b) and 14 .56(a±c)) To...

Ngày tải lên: 21/07/2014, 17:20

... tread and ground. (a) (b) 0.0 0 .1 0.2 0.3 0.4 Tail extension (mm) Drag coefficient ( ) C D 0 500 10 00 15 00 2000 6000 432 1 2 3 4 700 13 00 19 00 5720 mm5650 mm 1 Fig. 14 .33 (a and b) Effect of rear ... Fig. 14 .33(a and b), but this shape would be impractical for design reasons. Conversely if the rear end tail is 0.0 0.00 0.05 0 .10 0 .15 0.20 0.25 0.30 0 4 8 12 16 20 0.2 0...

Ngày tải lên: 21/07/2014, 17:20

... counteract high air resistance for both cars and commercial vehicles will now be explained. 14 .1 Viscous air flow fundamentals 14 .1. 1 Boundary layer (Fig. 14 .2) Air has viscosity, that is, there is internal ... of 16 00 12 00 800 400 0 0 40 80 12 0 16 0 rolling resistance Vehicle speed (km/h) low air resistance (C = 0.25) D high air resistance (C = 0.5) D Resisting forces opposi...

Ngày tải lên: 21/07/2014, 17:20

... braking effect 3/2-WV-AB 10 ABS solenoid control valve ABS-SCV 11 Single circuit diaphragm actuator SCDA 12 Redundancy valve RDV 13 Axle modulator AM 14 Spring brake actuator SBA 15 EPB trailer control ... trucks and large articulated vehicles are shown in Figs 13 .1 and 13 .2 respectively. Refrigeration systems designed for motor vehicle trucks are basically made up of two parts s...

Ngày tải lên: 21/07/2014, 17:20

... the `off ' position, thereby releasing the brake shoes. 12 .4 Vehicle retarders 12 .4 .1 Engine overrun vehicle retardation (Fig. 12 .30) When an engine is being overrun by the transmis- sion ... similar to the delivery air pres- sure from the brake control valve. 12 .3 .16 Relay emergency valve (Fig. 12 . 21( a±d)) Charging (Fig. 12 . 21( a)) Air delivery from the emergency l...

Ngày tải lên: 21/07/2014, 17:20