connecting rod

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connecting rod

[kə′nekt·iŋ ‚räd]
(mechanical engineering)
Any straight link that transmits motion or power from one linkage to another within a mechanism, especially linear to rotary motion, as in a reciprocating engine or compressor.

Connecting Rod


a link in a plane mechanism that is connected to other moving links by means of rotating kinematic pairs and that describes a complex two-dimensional motion.

Connecting rods are an important component in widely used crank-slide mechanisms, which convert the reciprocal motion of a slide (the piston) into the rotary motion of a crank (the crankshaft), or vice versa. In piston engines, compressors, and pumps, the connecting rod generally has an H-shaped cross section; the end connected to the piston (the small, or piston end) is not detachable, and the big end, connected to the crankshaft, is demountable to allow assembly of the mechanism.

In forging and press equipment, the connecting rod end is sometimes of a special design that allows acceptance of high loads in a single direction; connecting rods of both constant and variable length are also used to control the position of a slide. The length of the connecting rod may be varied by means of a rod, the threaded end of which is screwed into the body of the connecting rod and the other (spherical) end of which forms a spherical kinematic pair with the slide.


connecting rod

The rod connecting the piston and transmitting power to the crankshaft of a reciprocating engine.
References in periodicals archive ?
The test was split between the current polymer coating in upper conrod positions one and two, and the microcapsule coating in upper conrod positions three and four.
However, several limitations of the parallel approach also exist beyond inherent difficulties with case coordination (Stewart and Conrod 2008).
Conrod said, "as the previous study with older high-risk adolescents did show improvements in these groups.
From a stress and coping perspective, PTSD and SUD involve maladaptive coping in response to stressors that range in intensity from mild to traumatic (Stewart & Conrod, 2003).
Conrod defaulted, and Finance America subsequently sold the property for $45,000, sustaining a loss of $20,898.
Many single-pitman die-forging presses must transmit force from eccentric shaft to ram via conrod and gudgeon pins.
The engine manufacturer provided the cylinder head, piston and conrod, while the prototype FIS system featured an advanced piezo driven injector capable of very high injection pressures.
2010; Clark, Ringwalt, Shamblen, & Hanley, 2011; O'Leary-Barrett, Mackie, Castellanos-Ryan, Al-Khudhairy, & Conrod, 2010), two are quasi experimental (Lennox & Cecchini, 2008; Nozu et al.
Patricia Conrod of the University of Montreal and its affiliated Sainte-Justine Hospital Research Centre, said that their study shows that teacher delivered interventions, which target specific risk factors for mental health problems, can be immensely effective at reducing the incidence of depression, anxiety and conduct disorders in the long term.
Mainstream offender rehabilitation programs are based on cognitive behavioral therapy, focusing primarily on techniques that alter offenders' thoughts and behaviors (Stewart & Conrod, 2005).
Conrod was sitting watching television Tuesday night when she heard a loud boom.