Contrifugal governor for the rpm control of internal combustion engines

Claim 2

In a centrifugal governor for controlling the r.p.m. of an internal combustion engine by varying the position of a fuel quantity control member forming part of a fuel injection pump associated with said engine, said centrifugal governor being of the known type that includes (A) a governor member displaceable as a function of the engine-r.p.m., (B) intermediate lever means jointed to said governor means and said fuel quantity control member for causing an r.p.m.-dependent displacement of the latter, (C) a pivotally held actuating member jointed to said intermediate lever means for the arbitrary displacement of said fuel quantity control member, (D) linearly adjustable abutment means for limiting the displacements of said fuel quantity control member, and (E) a follower nose mounted on said intermediate lever means and cooperating with said abutment means to effect a limitation of said displacement, the improvement comprising, A. an abutment plate forming part of said linearly adjustable abutment means, said abutment plate having a contour edge traced by said follower nose along a curve of determined slope, B. means for angularly adjusting said abutment plate independently of the linear adjustment of said abutment means for varying the slope of said curve and C. a rocker unitary with said follower nose and pivotally secured to said intermediate lever means

Claim 3

An improvement as defined in claim 1, wherein said intermediate lever means is formed of an intermediate lever and an intermediate link, the latter is jointed to said intermediate lever and said fuel quantity control member; said improvement further includes means for a limited fine adjustment of said intermediate link along its length dimension to vary the distance between said fuel quantity control member and said follower nose.

Claim 4

a coupling or jointed member slidably mounted on said terminus and jointed to said intermediate lever,

Claim 5

a coupling or jointed member slidably mounted on said terminus and jointed to said intermediate lever,

Claim 6

a nut threadedly received on said threaded portion of said terminus,

Claim 7

a nut threadedly received on said threaded portion of said terminus,

Claim 8

In a centrifugal governor for controlling the r.p.m. of an internal combustion engine by varying the position of a fuel quantity control member forming part of a fuel injection pump associated with said engine, said centrifugal governor being of the known type that includes (A) a governor member displaceable as a function of the engine-rpm, (B) intermediate lever means jointed to said governor member and said fuel quantity control member for causing an r.p.m.-dependent displacement of the latter, said intermediate lever means including a guiding slot, (C) a pivotally held actuating member jointed to said intermediate lever means for the arbitrary displacement of said fuel quantity control member, said actuating member including an integral pin extending into said guiding slot and forming a shiftable fulcrum for said intermediate lever means, (D) linearly adjustable abutment means for limiting the displacements of said fuel quantity control member, and (E) a follower nose mounted on said intermediate lever means and cooperating with said abutment means to effect a limitation of said displacement, the improvement comprising, A. an abutment plate forming part of said linearly adjustable abutment means, B. means for angularly adjusting said abutment plate independently of the linear adjustment of said abutment means, C. a rocker unitary with said follower nose and pivotally secured to said intermediate lever means, D. a slotted plate pivotable about an axis spaced parallel from the pivotal axis of said actuating member, said slotted plate includes a curved slot into which said integral pin extends and with respect to which it is adapted to slide longitudinally, E. a stop disposed in the path of movement of said slotted plate and F. spring means urging said slotted plate against said stop; said curved slot, said slotted plate and said spring means constituting a force accumulator.

Claim 9

In a centrifugal governor for controlling the r.p.m. of an internal combustion engine by varying the position of a fuel quantity control member forming part of a fuel injection pump associated with said engine, said centrifugal governor being of the known type that includes (A) a governor member displaceable as a function of the engine-rpm, (B) intermediate lever means jointed to said governor member and said fuel quantity control member for causing an r.p.m.-dependent displacement of the latter, said intermediate lever means including a guiding slot, (C) a pivotally held actuating member jointed to said intermediate lever means for the arbitrary displacement of said fuel quantity control member, said actuating member including an integral pin extending into said guiding slot and forming a shiftable fulcrum for said intermediate lever means, (D) linearly adjustable abutment means for limiting the displacements of said fuel quantity control member, and (E) a follower nose mounted on said intermediate lever means and cooperating with said abutment means to effect a limitation of said displacement, the improvement comprising, A. an abutment plate forming part of said linearly adjustable abutment means, B. means for angularly adjusting said abutment plate independently of the linear adjustment of said abutment means, C. a rocker unitary with said follower nose and pivotally secured to said intermediate lever means, D. a slotted plate pivotable about an axis spaced parallel from the pivotal axis of said actuating member, said slotted plate includes a curved slot into which said integral pin extends and with respect to which it is adapted to slide longitudinally, E. a stop disposed in the path of movement of said slotted plate and F. spring means urging said slotted plate against said stop; said curved slot, said slotted plate and said spring means constituting a force accumulator.

Claim 10

In a centrifugal governor for controlling the r.p.m. of an internal combustion engine by varying the position of a fuel quantity control member forming part of a fuel injection pump associated with said engine, said centrifugal governor being of the known type that includes (A) a governor member displaceable as a function of the engine-r.p.m., (B) an intermediate lever jointed to said governor member, (C) an intermediate link jointed to said intermediate lever and said fuel quantity control member for causing an r.p.m.-dependent displacement of the latter, (D) a pivotally held actuating member jointed to said intermediate lever for the arbitrary displacement of said fuel quantity control member, (E) linearly adjustable abutment means for limiting the displacements of said fuel quantity control Member, and (F) a follower nose mounted on said intermediate lever and cooperating with said abutment means to effect a limitation of said displacement, the improvement comprising, A. an abutment plate forming part of said linearly adjustable abutment means, B. means for angularly adjusting said abutment plate independently of the linear adjustment of said abutment means, C. a rocker unitary with said follower nose and pivotally secured to said intermediate lever and D. means for the fine adjustment of said intermediate link along its length dimension to vary the distance between said fuel quantity control member and said follower nose, said last-named means including

Claim 11

In a centrifugal governor for controlling the r.p.m. of an internal combustion engine by varying the position of a fuel quantity control member forming part of a fuel injection pump associated with said engine, said centrifugal governor being of the known type that includes (A) a governor member displaceable as a function of the engine-r.p.m., (B) an intermediate lever jointed to said governor member, (C) an intermediate link jointed to said intermediate lever and said fuel quantity control member for causing an r.p.m.-dependent displacement of the latter, (D) a pivotally held actuating member jointed to said intermediate lever for the arbitrary displacement of said fuel quantity control member, (E) linearly adjustable abutment means for limiting the displacements of said fuel quantity control Member, and (F) a follower nose mounted on said intermediate lever and cooperating with said abutment means to effect a limitation of said displacement, the improvement comprising, A. an abutment plate forming part of said linearly adjustable abutment means, B. means for angularly adjusting said abutment plate independently of the linear adjustment of said abutment means, C. a rocker unitary with said follower nose and pivotally secured to said intermediate lever and D. means for the fine adjustment of said intermediate link along its length dimension to vary the distance between said fuel quantity control member and said follower nose, said last-named means including

Claim 12

a spring urging said coupling member against said nut and

Claim 13

a spring urging said coupling member against said nut and

Claim 14

a collar integral with said terminus for limiting the slidable adjustment of said coupling member.

Claim 15

a collar integral with said terminus for limiting the slidable adjustment of said coupling member.

Claim 16

An improvement as defined in claim 1, including means for adjusting the angular position of said rocker with respect to said intermediate lever means to vary the cooperation between said follower nose and said abutment plate.