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  2. Business model canvas - Wikipedia

    en.wikipedia.org/wiki/Business_Model_Canvas

    The business model canvas is a strategic management template used for developing new business models and documenting existing ones. [2] [3] It offers a visual chart with elements describing a firm's or product's value proposition, [4] infrastructure, customers, and finances, [1] assisting businesses to align their activities by illustrating potential trade-offs.

  3. Category:Business models - Wikipedia

    en.wikipedia.org/wiki/Category:Business_models

    Articles relating to business models, the rationale of how an organization creates, delivers, and captures value, [1] in economic, social, cultural or other contexts. The process of business model construction and modification is also called business model innovation and forms a part of business strategy. [2

  4. Valve guide - Wikipedia

    en.wikipedia.org/wiki/Valve_guide

    In the 1980s, many U.S. production engine remanufacturers began reaming valve guides, rather than replacing them, as part of their remanufacturing process. They found that by reaming all the valve guides in a head to one standard size (typically 0.008 in. diametrically oversized), and installing remanufactured engine valves having stems that are also oversized, a typical engine head can be ...

  5. Desmodromic valve - Wikipedia

    en.wikipedia.org/wiki/Desmodromic_valve

    The common valve spring system is satisfactory for traditional mass-produced engines that do not rev highly and are of a design that requires low maintenance. [1] At the period of initial desmodromic development, valve springs were a major limitation on engine performance because they would break from metal fatigue.

  6. Component business model - Wikipedia

    en.wikipedia.org/wiki/Component_business_model

    Component business model (CBM) is a technique to model and analyze an enterprise.It is a logical representation or map of business components or "building blocks" and can be depicted on a single page.

  7. Valve float - Wikipedia

    en.wikipedia.org/wiki/Valve_float

    Stiffer valve springs can help prevent valve float and valve bounce but at the expense of increased friction losses, higher stresses, and more rapid wear in the valvetrain. Various techniques have been used to offset the effect of stiffer springs, such as dual-spring and progressive-sprung valves, roller-tipped tappets, and pneumatic valve ...

  8. Tappet - Wikipedia

    en.wikipedia.org/wiki/Tappet

    A tappet or valve lifter is a valve train component which converts rotational motion into linear motion in activating a valve. It is most commonly found in internal combustion engines , where it converts the rotational motion of the camshaft into linear motion of intake and exhaust valves, either directly or indirectly.

  9. Pneumatic valve springs - Wikipedia

    en.wikipedia.org/wiki/Pneumatic_valve_springs

    The compressed gas then becomes the spring, so to speak, but does not have the same traits as springs do at elevated rpm. A small light spring is sometimes fitted between the piston and retainer so that when the system is switched off the spring forces the piston down against the bottom of the bore, thus forcing the retainer upwards. This ...