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A valve job is the colloquial term for resurfacing the mating surfaces of the poppet valves and their respective valve seats that control the intake and exhaust of the air/fuel mixture in four stroke internal combustion engine, replacing valve oil seals, replacing any deficient valve springs, and otherwise bringing the components of a cylinder head up to manufacturer’s spec. [1] A ...
The other end of the channel is sewn to the bladder and a flap valve of tissue is created to prevent leakage from the stoma between catheterizations. [3] Sometimes, the bladder is enlarged with bowel tissue to enable greater urine storage in an additional procedure called bladder augmentation . [ 3 ]
The word poppet shares etymology with "puppet": it is from the Middle English popet ("youth" or "doll"), from Middle French poupette, which is a diminutive of poupée.The use of the word poppet to describe a valve comes from the same word applied to marionettes, which, like the poppet valve, move bodily in response to remote motion transmitted linearly.
A manifold is a wider and/or larger pipe or channel, into which smaller pipes or channels lead, [1] or a pipe fitting or similar device that connects multiple inputs or outputs for fluids. Manifolds [ edit ]
In condensed-matter physics, channelling (or channeling) is the process that constrains the path of a charged particle in a crystalline solid. [1] [2] [3]Many physical phenomena can occur when a charged particle is incident upon a solid target, e.g., elastic scattering, inelastic energy-loss processes, secondary-electron emission, electromagnetic radiation, nuclear reactions, etc.
The valve closes automatically as the piston descends, and the steam is exhausted through the existing cylinder porting. The inertia of the flywheel then carries the piston back to the top of its stroke against the compression, as it does in the original form of the engine.
The channels are formed in large metal forms that (usually) have a pre-determined channel width, depth, and slope. Like in the cast-in-place method, a metal frame is attached to the form and concrete is poured and finished in a factory atmosphere. The advantage to the pre-cast trench drain is again time savings—big time savings at the job site.
Channeling (New Age), influences attributed to esoteric communications via a person described as a channel; Chopping and channeling of an automobile's body; Legal channeling, a contractual or legal redirection of responsibilities from an organization to another