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.
Find us on Facebook. Origins Available: French, Irish, Jewish, Welsh. The Welsh Davis surname is a patronymic, meaning son of David. Ultimately derived from the Hebrew name David, meaning beloved, the name became a popular given name throughout Medieval Europe due to the biblical king David of Israel. The popularity of the name was further increased in Britain due to it being the name of the Patron Saint of Wales.