Constant pressure fuel injector assembly

摘要: FIG. 1 shows a fuel injector having valve 54 that closes an outlet 50 in housing 10 by means of spring 22, excitation magnet 14 opening the valve; has toroidal chamber 62 containing annular piston 66 subject to combustion pressures on one side or end vent 72 and filled with acting against its opposite side, 70 biasing charge reservoir 80 pressure equal passing through inlet check 38 connected 80.