Patent ID: 11959334
Assignee: PILKINGTON GROUP LIMITED
Field: Civil engineering (Other fields)
Classification: CPC E  H  Y | IPC E  H

Claim 17:
18. A process for manufacturing a multifunctional glazing unit, comprising the steps of:
i) providing a first sheet of glazing material and a second sheet of glazing material;
ii) providing one or more spacer bars;
iii) separating the first sheet of glazing material and the second sheet of glazing material with the one or more spacer bars to provide a cavity that is a heat insulating cavity sealed by at least on spacer bar; and
iv) positioning a photovoltaic portion and a reflecting element between the first sheet of glazing material and the second sheet of glazing material to form the multifunctional glazing unit, with the reflecting element spaced apart from the second sheet of glazing material,
wherein the photovoltaic portion in direct contacts with the first sheet of glazing material;
wherein the photovoltaic portion comprises: a transparent region; a bi-facial region; and at least one photovoltaic element,
wherein the reflecting element comprises an adjustable transparency reflecting element, and
wherein the reflecting element comprises a plurality of rotatable slats.