Saphia

Aluminium alloys casting Problems

Aluminium alloys casting has played significant role in development of aluminium industry since its inception in late 19th century. The first aluminium products were castings such as utensils and decorative parts which exploited the novelty and utilizatio... Read >

Multi source heat pump air conditioning system

Air conditioning system utilizing low temperature heating sources of the environment, so as to maximize the heat coefficient of performance (COPH) by conserving subterranean heat, atmospheric heat, solar heat and auxiliary heat sources in combination with... Read >

Exercise Bikes - A Wheel Workout

The need to get fit, lose weight and stay healthy is emphasized in the scientific and popular media alike. In all developed countries, the incidence of overweight and obesity is dramatically increasing, along with lifestyle diseases such as cardiovascular... Read >

Gearbox switchable under load

The invention relates to a gearbox switchable under load, which has an input shaft coupled to at least one further shaft, which extends parallel to the input shaft, via pairs of gearwheels to achieve different gear stages. One gearwheel of each pair of ... Read >

Shift device for a change speed gearbox

Shifting assembly for a change speed gearbox includes axially displaceable shift rods and pivotably displaceable shift rockers for actuating respective gear wheel clutches. Locking elements in the form of linear pins and pivotal members are abuttingly eng... Read >

Gearbox structure of a beach cycle

Gearbox structure of a beach cycle includes a gearbox which may transmit a power of an engine to a power shaft and a propeller shaft. A clutch mounted between the change gears of the gearbox can be shifted by a gear shift device into a neutral position, a... Read >

What Transmission Shifts Your Gearbox?

The automotive marketplace is on the move! It is the usual practice that rather than make 'major changes,' automakers make 'useful improvements' to their vehicle gearbox offerings. For example, direct fuel injection, electric water pumps, internet and el... Read >

Four Disadvantages of a Hydraulic Steering

The hydraulic steering was introduced in order to compete with winches powered by electricity. However, these winches have numerous disadvantages when compared to the electric variety. Some of these disadvantages include braking, speed, and steering. This... Read >

Splitter gearbox vent tube

Vent tube for a splitter gearbox mounted on the rear axle assembly of a four-wheel drive tractor. The vent tube extends into the rear axle assembly, while in fluid flow communication with the lubricating oil in the splitter gearbox, and either breaks a va... Read >

Controlling a servo controlled motor vehicle gearbox

System for controlling a servo-controlled gearbox, configured so as to use gear-shifting strategies similar to those used by a human driver so as to improve the driving sensation experienced by the driver. The control system uses a plurality of sensors (S... Read >

Gearbox for motor vehicle

Mechanical stepped gearbox comprises a number of gear wheel pairs which interact with one another and are arranged on an input shaft, an output shaft, and a first side shaft. The gear wheel pairs can be selectively coupled in order to form different gear ... Read >

Cooling arrangement and method for offset gearbox

An offset gearbox of an aircraft has a sump for a lubricant. A heat exchanger core extends through the sump in contact with the lubricant. A fluid coolant for cooling an accessory such as an electrical power generating unit drivingly connected to the of... Read >

Drive pins in a mechanical seal

Mechanical seal provides a sealing between a rotatable shaft and a housing. The seal has a stationary part for connection to the housing and a rotary part for rotation with the shaft. Mating sealing faces are carried by the stationary and rotary parts and... Read >

Mechanical seal with embedded lubrication

Mechanical seal for providing a seal around the drive shaft of a variable displacement swash plate type compressor used in an air conditioning system for a vehicle comprising a rotating bearing surface, an associated stationary bearing surface and a lubri... Read >

Mechanical seal stud torquing system

Cartridge mounted mechanical seal for providing a seal between a housing and a rotatable shaft is provided, including at least one radial stud which extends from the inside of the rotary sleeve of the seal through the rotary sleeve and into the lock colla... Read >