Patent attributes
A massage device includes a linear series of inflatable massage cells, a common supply and venting line, an air pump, a controllable valve, a control unit, and a passive flow restrictor. The cells are arranged in succession and adapted to be disposed beneath a seat cover. The cells include a primary massage cell and a secondary massage cell arranged in a longitudinal direction. The line is in communication with the primary and secondary massage cells. The pump is connected to the line. The control unit is arranged for carrying out massage functions by controlling the compressed air pump and the valve according to a predetermined sequence set by a user for the controlled inflation and controlled venting of the linear massage cells. The flow restrictor interposes the line, and is spaced between the primary massage cell and the secondary massage cell.
