Vehicle vacuum line priority valve

Claim 2

A motor vehicle driven by an internal combustion engine having a suction pipe for producing a vacuum auxiliary force, the vehicle including at least two adjusting mechanisms of unequal rank for the maintenance of the operating safety which are actuated by the auxiliary force, comprising: a line interconnecting the at least two adjusting mechanisms, a control means provided in said line leading to the respective suboRdinate adjusting mechanism, said control means including a housing having an upper and lower space, and means for interrupting the auxiliary force when the characteristic magnitude of said force reaches a predetermined value still sufficient for the satisfactory operation of the next-higher ranking adjusting mechanism, said last-mentioned means including a diaphragm shifting means, said diaphragm shifting means including a diaphragm disposed in said upper space, a plunger connected with said diaphragm by way of a plate, a valve plate means disposed in said lower space selectively actuated by said plunger in dependence on prevailing vacuum force, said control means further including means provided in said plunger for communicating said upper space with said lower space.

Claim 3

A vehicle according to claim 1, wherein a spring means is disposed within said upper space projecting up from the bottom thereof and supported against the bottom side of said plate, said lower space is provided with a valve seat, and wherein a spring disk is provided for pressing said valve plate means against said valve seat.

Claim 4

A vehicle according to claim 2, wherein said spring disk is curved.

Claim 5

A vehicle according to claim 3, wherein said valve plate means is provided with an annular bead.

Claim 6

A motor vehicle driven by an internal combustion engine having a suction pipe for producing a vacuum auxiliary force, the vehicle including at least two adjusting mechanisms of unequal rank for the maintenance of the operating safety which are actuated by auxiliary force, characterized in that a control means is provided in a line leading to the respective subordinate adjusting mechanism, said control means includes means for interrupting the auxiliary force when the characteristic magnitude of the auxiliary force reaches a predetermined value still sufficient for the satisfactory operation of the next-higher ranking adjusting mechanism, said last-mentioned means is constructed as a diaphragm shifting means which includes a diaphragm, a plunger connected with the diaphragm by way of a plate, said plunger actuating a valve plate means provided with an annular bead in dependence on the prevailing vacuum, said diaphragm shifting means further includes an upper space which accommodates a spring means projecting up from the bottom thereof and supported against the bottom side of the plate, and a lower space is provided in which the valve plate means is pressed against its seat by the force of a curved spring disk, said plunger is provided with at least one longitudinal groove, and guide means are provided for said plunger, said guide means being provided at its upper end with at least one aperture means.

Claim 7

A motor vehicle driven by an internal combustion engine having a suction pipe for producing a vacuum auxiliary force, the vehicle including at least two adjusting mechanisms of unequal rank for the maintenance of the operating safety which are actuated by auxiliary force, characterized in that a control means is provided in a line leading to the respective subordinate adjusting mechanism, said control means includes means for interrupting the auxiliary force when the characteristic magnitude of the auxiliary force reaches a predetermined value still sufficient for the satisfactory operation of the next-higher ranking adjusting mechanism, said last-mentioned means is constructed as a diaphragm shifting means which includes a diaphragm, a plunger connected with the diaphragm by way of a plate, said plunger actuating a valve plate means provided with an annular bead in dependence on the prevailing vacuum, said diaphragm shifting means further includes an upper space which accommodates a spring means projecting up from the bottom thereof and supported against the bottom side of the plate, and a lower space is provided in which the valve plate means is pressed against its seat by the force of a curved spring disk, said plunger is provided with at least one longitudinal groove, and guide means are provided for said plunger, said guide means being provided at its upper end with at least one aperture means.

Claim 8

A vehicle according to claim 5, characterized in that the guide means is provided at its upper end with several aperture means.

Claim 9

A vehicle according to claim 5, characterized in that the valve plate means is provided at its circumference with at least one aperture means.

Claim 10

A vehicle according to claim 7, characterized in that the spring disk is supported at a ring disk flange of a connecting pipe, and in that at least one channel leading to the bore of the connecting pipe is provided which starts from the top side of the ring disk flange.

Claim 11

A vehicle according to claim 7, characterized in that the curved spring disk is supported at a ring disk flange of a connecting pipe, and in that the top side of the ring disk flange is provided with at least one groove extending toward the bore of the connecting pipe.

Claim 12

A vehicle with at least two adjusting mechanisms of unequal rank for the maintenance of the operating safety which are actuated by an auxiliary force, characterized in that a control means is provided in a line leading to the respective subordinate adjusting mechanism, said control means including means for interrupting the auxiliary force when the characteristic magnitude of the auxiliary force reaches a predetermined value still sufficient for the satisfactory operation of the next-hIgher ranking adjusting mechanism, said last-mentioned means is constructed as a diaphragm shifting means which includes a diaphragm, a plunger connected with the diaphragm by way of a plate, said plunger actuating a valve plate means in dependence on the prevailing auxiliary force, said plunger is provided with at least one longitudinal groove, and guide means for said plunger, said guide means being provided at its upper end with at least one aperture means.

Claim 13

A vehicle with at least two adjusting mechanisms of unequal rank for the maintenance of the operating safety which are actuated by an auxiliary force, characterized in that a control means is provided in a line leading to the respective subordinate adjusting mechanism, said control means including means for interrupting the auxiliary force when the characteristic magnitude of the auxiliary force reaches a predetermined value still sufficient for the satisfactory operation of the next-hIgher ranking adjusting mechanism, said last-mentioned means is constructed as a diaphragm shifting means which includes a diaphragm, a plunger connected with the diaphragm by way of a plate, said plunger actuating a valve plate means in dependence on the prevailing auxiliary force, said plunger is provided with at least one longitudinal groove, and guide means for said plunger, said guide means being provided at its upper end with at least one aperture means.

Claim 14

A vehicle according to claim 10, characterized in that the diaphragm shifting means includes an upper space which accommodates a spring means projecting up from the bottom thereof and supported against the bottom side of the plate, and in that additionally a lower space is provided in which the valve plate means is pressed against its seat by the force of a spring disk.

Claim 15

A vehicle according to claim 11, characterized in that the spring disk is curved.

Claim 16

A vehicle according to claim 11, characterized in that the valve plate means is provided with an annular bead.

Claim 17

A vehicle according to claim 11, characterized in that the spring disk is supported at a ring disk flange of a connecting pipe, and in that at least one channel leading to the bore of the connecting pipe is provided which starts from the top side of the ring disk flange.

Claim 18

A vehicle according to claim 11, characterized in that the curved spring disk is supported at a ring disk flange of a connecting pipe, and in that the top side of the ring disk flange is provided with at least one groove extending toward the bore of the connecting pipe.

Claim 19

A vehicle according to claim 10, characterized in that the guide means is provided at its upper end with several aperture means.

Claim 20

A vehicle according to claim 10, characterized in that the valve plate means is provided at its circumference with at least one aperture means.

Claim 21

A vehicle having at least two adjusting mechanisms of unequal rank operatively interconnected with a common force producing means, comprising: control means operatively connected to said adjusting mechanisms and said common force producing means, said control means including a housing, said housing being divided into an upper space portion and a lower space portion, said control means further including diaphragm means disposed in said upper space portion, valve means disposed in said lower space portion, and means for operatively connecting said diaphragm means with said valve means, said connecting means including means for communicating said upper space portion with said lower space portion.

Claim 22

A vehicle having at least two adjusting mechanisms of unequal rank operatively interconnected with a common force producing means, comprising: control means operatively connected to said adjusting mechanisms and said common force producing means, said control means including a housing, said housing being divided into an upper space portion and a lower space portion, said control means further including diaphragm means disposed in said upper space portion, valve means disposed in said lower space portion, and means for operatively connecting said diaphragm means with said valve means, said connecting means including means for communicating said upper space portion with said lower space portion.

Claim 23

A vehicle according to claim 18, wherein said common force producing means includes a vacuum source operatively interconnected with said adjusting mechanisms.

Claim 24

A vehicle according to claim 18, wherein said housing includes a cover plate means disposed therein above said upper spaced portion, and wherein said means for operatively connecting said diaphragm and said valve means includes a plunger disposed between said diaphragm means and said valve means.

Claim 25

A vehicle according to claim 20, wherein said plunger is provided with a plate portion at one end thereof, said diaphragm means being disposed between said plate portion and said cover plate.

Claim 26

A vehicle according to claim 21, wherein a spring is provided in said upper space portion between the bottom thereof and said plate portion and wherein said valve means includes a valve plate and a valve seat provided in said lower space portion.

Claim 27

A vehicle according to claim 22, wherein additional spring means are provided for normally pressing said valve plate against said valve seat.

Claim 28

A vehicle according to claim 23, wherein said spring means is a spring disk.

Claim 29

A vehicle according to claim 24, wherein said spring disk is curved.

Claim 30

A vehicle according to claim 25, wherein said valve plate is provided with an annular bead.

Claim 31

A vehicle having at least two adjusting mechanisms of unequal rank operatively interconnected with a common forCe producing means including a vacuum source, comprising: control means operatively connected to said adjusting mechanisms and said force producing means, said control means including a housing being divided into an upper space portion and a lower space portion, said control means further including means for interrupting the force supplied to the lower ranking adjusting mechanism when the force produced by said force producing means decreases below a predetermined value, said last mentioned means including a diaphragm means disposed in said upper space portion, valve means disposed in said lower space portion, and a plunger disposed between said diaphragm means and said valve means for operatively connecting the same, said valve means including a valve plate and a valve seat provided in said lower space portion, said housing including a cover plate means disposed therein above said upper space portion, said plunger being provided with a plate portion at one end thereof with said diaphragm means being disposed between said plate portion and said cover plate means, a spring provided in said upper space portion between the bottom thereof and said plate portion, and additional curved spring disk means for normally pressing said valve plate against said valve seat, said housing further including a guide means disposed in said upper space portion for guiding said plunger, and means on said plunger and said guide means for communicating said upper space portion with said lower space portion.

Claim 32

A vehicle having at least two adjusting mechanisms of unequal rank operatively interconnected with a common forCe producing means including a vacuum source, comprising: control means operatively connected to said adjusting mechanisms and said force producing means, said control means including a housing being divided into an upper space portion and a lower space portion, said control means further including means for interrupting the force supplied to the lower ranking adjusting mechanism when the force produced by said force producing means decreases below a predetermined value, said last mentioned means including a diaphragm means disposed in said upper space portion, valve means disposed in said lower space portion, and a plunger disposed between said diaphragm means and said valve means for operatively connecting the same, said valve means including a valve plate and a valve seat provided in said lower space portion, said housing including a cover plate means disposed therein above said upper space portion, said plunger being provided with a plate portion at one end thereof with said diaphragm means being disposed between said plate portion and said cover plate means, a spring provided in said upper space portion between the bottom thereof and said plate portion, and additional curved spring disk means for normally pressing said valve plate against said valve seat, said housing further including a guide means disposed in said upper space portion for guiding said plunger, and means on said plunger and said guide means for communicating said upper space portion with said lower space portion.

Claim 33

A vehicle according to claim 27, wherein said means for communicating includes at least one longitudinal groove provided in said plunger and at least one aperture is provided at the upper end of said guide means.

Claim 34

A vehicle according to claim 28, wherein a plurality of apertures are provided on said guide means.

Claim 35

A vehicle according to claim 29, wherein said valve plate is provided with at least one aperture means.

Claim 36

A vehicle according to claim 30, wherein said aperture in said valve plate is provided at the circumference thereof.

Claim 37

A vehicle according to claim 31, wherein a connecting pipe is provided and disposed in said housing in the lower space portion thereof, said connecting pipe being provided with a ring disk flange means for supporting said spring disk and wherein means are provided for communicating said lower space portion with said connecting pipe.

Claim 38

A vehicle according to claim 32, wherein said last mentioned communicating means includes a channel starting from the top side of said rink disk flange means and extending to a bore of said connecting pipe.

Claim 39

A vehicle according to claim 32, wherein said last-mentioned communicating means includes at least one groove provided in the top side of said ring disk flange means, said groove extending toward a bore of said connecting pipe.