Alternative compressor head arrangement

1 . An alternative compressor head arrangement, comprising:

a valve plate ( 1 ) provided with at least one operating hole ( 11 );

a discharge valve blade ( 2 ) provided with at least one operation valve ( 21 ) and at least one mounting hole ( 22 ), each said at least one operation valve ( 21 ) comprising a static end ( 211 ), a dynamic end ( 212 ) and a bending area ( 213 ) arranged between said static end ( 211 ) and said dynamic end ( 212 );

a stop blade ( 4 ) provided with at least one valve stop ( 41 ) and at least one mounting hole ( 42 ), each said at least one valve stop ( 41 ) comprising an end-of-stroke rib ( 411 );

a cylinder cap ( 5 ) provided with a flange ( 51 ), said flange ( 51 ) capable of being assembled by receiving at least one assembly component; and

a suction valve blade ( 7 ) provided with at least one operation valve ( 71 ) and at least one mounting hole ( 72 ), each said at least one operation valve ( 71 ) comprising a static end, a dynamic end and a bending area arranged between said static end and said dynamic end;

an interface blade ( 3 ) provided with at least one mounting hole ( 31 );

said interface blade ( 3 ) being arranged between said discharge valve blade ( 2 ) and said stop blade ( 4 );

said interface blade ( 3 ) being made of flexible material;

said interface blade ( 3 ) comprising a solid part ( 32 ) coincident with the static end ( 211 ) of each at least one operation valve ( 21 ) of the discharge valve blade ( 2 );

said interface blade ( 3 ) comprising a hollow part ( 33 ) coincident with the dynamic end ( 212 ) and the bending area ( 213 ) of each at least one operation valve ( 21 ) of the discharge valve blade ( 2 ); and

the mounting holes of the discharge valve blade ( 2 ), the interface blade ( 3 ) and the stop blade ( 4 ) are subject to mutual alignment by the at least one assembly component, so as to mutually align said blades;

wherein the stop blade ( 4 ) is disposed above the interface blade ( 3 ), and said stop blade ( 4 ) comprises a stop blade overhang ( 4 a ) having a length defined between a stop blade overhang first end ( 41 a ) and a stop blade overhang second end ( 41 b );

wherein the stop blade overhang second end ( 41 b ) is positioned along the longitudinal axis of the stop blade ( 4 ), such that it is located along said axis in front of the stop blade overhang first end ( 41 a ) and is behind the at least one valve stop ( 41 );

wherein the stop blade overhang second end ( 41 b ) coincides with the end of a stop blade flat area ( 900 );

wherein the length of the stop blade overhang ( 4 a ) is proportioned relative to the thickness of the stop blade ( 4 );

wherein the interface blade ( 3 ) defines an interface blade clamping line ( 1000 ), said interface blade clamping line ( 1000 ) is coincident with the stop blade overhang first end ( 41 a ) and with an end of the static end ( 211 ) of the discharge valve blade ( 2 ).

2 . The alternative compressor head arrangement, according to claim 1 , further comprising:

an auxiliary valve blade ( 8 ) provided with at least one auxiliary operation valve ( 81 ) and at least one mounting hole ( 82 ), each said at least one auxiliary operation valve ( 81 ) comprising a static end ( 811 ), a dynamic end ( 812 ) and a bending area ( 813 ) arranged between said static end ( 811 ) and said dynamic end ( 812 );

said auxiliary valve blade ( 8 ) arranged between the interface blade ( 3 ) and the discharge valve blade ( 2 );

the static end ( 811 ) of each said at least one auxiliary operation valve ( 81 ) is in contact with the static ends ( 211 ) of each at least one operation valve ( 21 ) of the discharge valve blade ( 2 );

the mounting holes of the discharge valve blade ( 2 ), the auxiliary valve blade ( 8 ), the interface blade ( 3 ), and the stop blade ( 4 ) are subject to mutual alignment of the at least one assembly component so as to mutually align said blades; and

the interface between the static end ( 811 ) of each at least one auxiliary operation valve ( 81 ) and the at least one valve stop ( 41 ) of the stop blade ( 4 ) is realized by the solid part ( 32 ) of the interface blade ( 3 ).

3 . The alternative compressor head arrangement, according to claim 1 , further comprising:

an auxiliary valve blade ( 8 ) provided with at least one auxiliary operation valve ( 81 ) and at least one mounting hole ( 82 ), each said at least one auxiliary operation valve ( 81 ) comprising a static end ( 811 ), a dynamic end ( 812 ) and a bending area ( 813 ) arranged between said static end ( 811 ) and said dynamic end ( 812 );

said auxiliary valve blade ( 8 ) arranged between the interface blade ( 3 ) and an additional interface blade ( 3 ′);

the additional interface blade ( 3 ′) is provided with at least one mounting hole ( 31 ′), said additional interface blade ( 3 ′) being arranged between said auxiliary valve blade ( 8 ) and said discharge valve blade ( 2 );

said additional interface blade ( 3 ′) comprising a solid part ( 32 ′) coincident with the static end ( 811 ) of each at least one auxiliary operation valve ( 81 ) of the auxiliary valve blade ( 8 );

said additional interface blade ( 3 ′) comprising a hollow part ( 33 ′) coincident with the dynamic end ( 812 ) and the bending area ( 813 ) of each at least one auxiliary operation valve ( 81 ) of the auxiliary valve blade ( 8 ), and said hollow part ( 33 ′) coincident with the dynamic end ( 212 ) and the bending area ( 213 ) of each at least one operation valve ( 21 ) of the discharge valve blade ( 2 );

the mounting holes of the discharge valve blade ( 2 ), the additional interface blade ( 3 ′), the auxiliary valve blade ( 8 ), the interface blade ( 3 ), and the stop blade ( 4 ) are subject to mutual alignment of the at least one assembly component so as to mutually align said blades;

the solid part ( 32 ′) of the additional interface blade ( 3 ′) connects the static end ( 211 ) of each at least one operation valve ( 21 ) of the discharge valve blade ( 2 ) with the static end ( 811 ) of each at least one auxiliary operation valve ( 81 ) of the auxiliary valve blade ( 8 ); and

the interface between the static end ( 811 ) of each at least one auxiliary operation valve ( 81 ) and the at least one valve stop ( 41 ) of the stop blade ( 4 ) is realized by the solid part ( 32 ) of the interface blade ( 3 ).

4 . The alternative compressor head arrangement, according to claim 1 , wherein each at least one assembly component comprises a screw.