When high pressure fluid from the power steering pump enters a steering rack, it is routed through âspool valvesâ connected to the steering column. When the driver turns the steering wheel, the spool valves open ports that direct pressure to a hydraulic chamber around the rack.
Johnson is a surname of English origin. The name itself is a patronym of the given name John, literally meaning son of John.The name John derives from Latin Johannes, which is derived through Greek á¼°ÏÎ¬Î½Î½Î·Ï IÅannÄs from Hebrew ×××× × Yohanan, meaning Yahweh has favoured.he name itself is a patronym of the given name John, literally meaning son of John. The name John derives from Latin Johannes, which is derived through Greek á¼°ÏÎ¬Î½Î½Î·Ï IÅannÄs from Hebrew ×××× × Yohanan, meaning Yahweh has favoured.
The form James comes from Latin Jacobus via Late Latin Jac(o)mus, which also gave rise to Jaime, the regular form of the name in Spanish (as opposed to the learned Jacobo). See also Jack and Jackman. This is a common surname throughout the British Isles, particularly in South Wales.